201621540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 627056640

約数和(自身を除く): 425435100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 53, 57, 60, 71, 76, 94, 95, 106, 114, 141, 142, 159, 188, 190, 212, 213, 228, 235, 265, 282, 284, 285, 318, 355, 380, 426, 470, 530, 564, 570, 636, 705, 710, 795, 852, 893, 940, 1007, 1060, 1065, 1140, 1349, 1410, 1420, 1590, 1786, 2014, 2130, 2491, 2679, 2698, 2820, 3021, 3180, 3337, 3572, 3763, 4028, 4047, 4260, 4465, 4982, 5035, 5358, 5396, 6042, 6674, 6745, 7473, 7526, 8094, 8930, 9964, 10011, 10070, 10716, 11289, 12084, 12455, 13348, 13395, 13490, 14946, 15052, 15105, 16188, 16685, 17860, 18815, 20022, 20140, 20235, 22578, 24910, 26790, 26980, 29892, 30210, 33370, 37365, 37630, 40044, 40470, 45156, 47329, 49820, 50055, 53580, 56445, 60420, 63403, 66740, 71497, 74730, 75260, 80940, 94658, 100110, 112890, 126806, 141987, 142994, 149460, 176861, 189316, 190209, 200220, 214491, 225780, 236645, 253612, 283974, 285988, 317015, 353722, 357485, 380418, 428982, 473290, 530583, 567948, 634030, 707444, 709935, 714970, 760836, 857964, 884305, 946580, 951045, 1061166, 1072455, 1268060, 1419870, 1429940, 1768610, 1902090, 2122332, 2144910, 2652915, 2839740, 3360359, 3537220, 3804180, 4289820, 5305830, 6720718, 10081077, 10611660, 13441436, 16801795, 20162154, 33603590, 40324308, 50405385, 67207180, 100810770, 201621540]

約数ペア:

[(1, 201621540), (2, 100810770), (3, 67207180), (4, 50405385), (5, 40324308), (6, 33603590), (10, 20162154), (12, 16801795), (15, 13441436), (19, 10611660), (20, 10081077), (30, 6720718), (38, 5305830), (47, 4289820), (53, 3804180), (57, 3537220), (60, 3360359), (71, 2839740), (76, 2652915), (94, 2144910), (95, 2122332), (106, 1902090), (114, 1768610), (141, 1429940), (142, 1419870), (159, 1268060), (188, 1072455), (190, 1061166), (212, 951045), (213, 946580), (228, 884305), (235, 857964), (265, 760836), (282, 714970), (284, 709935), (285, 707444), (318, 634030), (355, 567948), (380, 530583), (426, 473290), (470, 428982), (530, 380418), (564, 357485), (570, 353722), (636, 317015), (705, 285988), (710, 283974), (795, 253612), (852, 236645), (893, 225780), (940, 214491), (1007, 200220), (1060, 190209), (1065, 189316), (1140, 176861), (1349, 149460), (1410, 142994), (1420, 141987), (1590, 126806), (1786, 112890), (2014, 100110), (2130, 94658), (2491, 80940), (2679, 75260), (2698, 74730), (2820, 71497), (3021, 66740), (3180, 63403), (3337, 60420), (3572, 56445), (3763, 53580), (4028, 50055), (4047, 49820), (4260, 47329), (4465, 45156), (4982, 40470), (5035, 40044), (5358, 37630), (5396, 37365), (6042, 33370), (6674, 30210), (6745, 29892), (7473, 26980), (7526, 26790), (8094, 24910), (8930, 22578), (9964, 20235), (10011, 20140), (10070, 20022), (10716, 18815), (11289, 17860), (12084, 16685), (12455, 16188), (13348, 15105), (13395, 15052), (13490, 14946)]