781049340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 2641766400

約数和(自身を除く): 1860717060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 53, 57, 60, 62, 76, 90, 93, 95, 106, 114, 124, 139, 155, 159, 171, 180, 186, 190, 212, 228, 265, 278, 279, 285, 310, 318, 342, 372, 380, 417, 465, 477, 530, 556, 558, 570, 589, 620, 636, 684, 695, 795, 834, 855, 930, 954, 1007, 1060, 1116, 1140, 1178, 1251, 1390, 1395, 1590, 1643, 1668, 1710, 1767, 1860, 1908, 2014, 2085, 2356, 2385, 2502, 2641, 2780, 2790, 2945, 3021, 3180, 3286, 3420, 3534, 4028, 4170, 4309, 4770, 4929, 5004, 5035, 5282, 5301, 5580, 5890, 6042, 6255, 6572, 7068, 7367, 7923, 8215, 8340, 8618, 8835, 9063, 9540, 9858, 10070, 10564, 10602, 11780, 12084, 12510, 12927, 13205, 14734, 14787, 15105, 15846, 16430, 17236, 17670, 18126, 19716, 20140, 21204, 21545, 22101, 23769, 24645, 25020, 25854, 26410, 26505, 29468, 29574, 30210, 31217, 31692, 32860, 35340, 36252, 36835, 38781, 39615, 43090, 44202, 45315, 47538, 49290, 51708, 52820, 53010, 59148, 60420, 62434, 64635, 66303, 73670, 73935, 77562, 79230, 81871, 86180, 88404, 90630, 93651, 95076, 98580, 106020, 110505, 118845, 124868, 129270, 132606, 139973, 147340, 147870, 155124, 156085, 158460, 163742, 181260, 187302, 193905, 221010, 228377, 237690, 245613, 258540, 265212, 279946, 280953, 295740, 312170, 327484, 331515, 374604, 387810, 409355, 419919, 442020, 456754, 468255, 475380, 491226, 559892, 561906, 624340, 663030, 685131, 699865, 736839, 775620, 818710, 839838, 913508, 936510, 982452, 1123812, 1141885, 1228065, 1259757, 1326060, 1370262, 1399730, 1404765, 1473678, 1637420, 1679676, 1873020, 2055393, 2099595, 2283770, 2456130, 2519514, 2740524, 2799460, 2809530, 2947356, 3425655, 3684195, 4110786, 4199190, 4339163, 4567540, 4912260, 5039028, 5619060, 6298785, 6851310, 7368390, 8221572, 8398380, 8678326, 10276965, 12597570, 13017489, 13702620, 14736780, 17356652, 20553930, 21695815, 25195140, 26034978, 39052467, 41107860, 43391630, 52069956, 65087445, 78104934, 86783260, 130174890, 156209868, 195262335, 260349780, 390524670, 781049340]

約数ペア:

[(1, 781049340), (2, 390524670), (3, 260349780), (4, 195262335), (5, 156209868), (6, 130174890), (9, 86783260), (10, 78104934), (12, 65087445), (15, 52069956), (18, 43391630), (19, 41107860), (20, 39052467), (30, 26034978), (31, 25195140), (36, 21695815), (38, 20553930), (45, 17356652), (53, 14736780), (57, 13702620), (60, 13017489), (62, 12597570), (76, 10276965), (90, 8678326), (93, 8398380), (95, 8221572), (106, 7368390), (114, 6851310), (124, 6298785), (139, 5619060), (155, 5039028), (159, 4912260), (171, 4567540), (180, 4339163), (186, 4199190), (190, 4110786), (212, 3684195), (228, 3425655), (265, 2947356), (278, 2809530), (279, 2799460), (285, 2740524), (310, 2519514), (318, 2456130), (342, 2283770), (372, 2099595), (380, 2055393), (417, 1873020), (465, 1679676), (477, 1637420), (530, 1473678), (556, 1404765), (558, 1399730), (570, 1370262), (589, 1326060), (620, 1259757), (636, 1228065), (684, 1141885), (695, 1123812), (795, 982452), (834, 936510), (855, 913508), (930, 839838), (954, 818710), (1007, 775620), (1060, 736839), (1116, 699865), (1140, 685131), (1178, 663030), (1251, 624340), (1390, 561906), (1395, 559892), (1590, 491226), (1643, 475380), (1668, 468255), (1710, 456754), (1767, 442020), (1860, 419919), (1908, 409355), (2014, 387810), (2085, 374604), (2356, 331515), (2385, 327484), (2502, 312170), (2641, 295740), (2780, 280953), (2790, 279946), (2945, 265212), (3021, 258540), (3180, 245613), (3286, 237690), (3420, 228377), (3534, 221010), (4028, 193905), (4170, 187302), (4309, 181260), (4770, 163742), (4929, 158460), (5004, 156085), (5035, 155124), (5282, 147870), (5301, 147340), (5580, 139973), (5890, 132606), (6042, 129270), (6255, 124868), (6572, 118845), (7068, 110505), (7367, 106020), (7923, 98580), (8215, 95076), (8340, 93651), (8618, 90630), (8835, 88404), (9063, 86180), (9540, 81871), (9858, 79230), (10070, 77562), (10564, 73935), (10602, 73670), (11780, 66303), (12084, 64635), (12510, 62434), (12927, 60420), (13205, 59148), (14734, 53010), (14787, 52820), (15105, 51708), (15846, 49290), (16430, 47538), (17236, 45315), (17670, 44202), (18126, 43090), (19716, 39615), (20140, 38781), (21204, 36835), (21545, 36252), (22101, 35340), (23769, 32860), (24645, 31692), (25020, 31217), (25854, 30210), (26410, 29574), (26505, 29468)]