68904990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 228413952

約数和(自身を除く): 159508962

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 61, 63, 66, 70, 77, 90, 99, 105, 110, 122, 126, 154, 163, 165, 183, 198, 210, 231, 305, 315, 326, 330, 366, 385, 427, 462, 489, 495, 549, 610, 630, 671, 693, 770, 815, 854, 915, 978, 990, 1098, 1141, 1155, 1281, 1342, 1386, 1467, 1630, 1793, 1830, 2013, 2135, 2282, 2310, 2445, 2562, 2745, 2934, 3355, 3423, 3465, 3586, 3843, 4026, 4270, 4697, 4890, 5379, 5490, 5705, 6039, 6405, 6710, 6846, 6930, 7335, 7686, 8965, 9394, 9943, 10065, 10269, 10758, 11410, 12078, 12551, 12810, 14091, 14670, 16137, 17115, 17930, 19215, 19886, 20130, 20538, 23485, 25102, 26895, 28182, 29829, 30195, 32274, 34230, 37653, 38430, 42273, 46970, 49715, 51345, 53790, 59658, 60390, 62755, 69601, 70455, 75306, 80685, 84546, 89487, 99430, 102690, 109373, 112959, 125510, 139202, 140910, 149145, 161370, 178974, 188265, 208803, 211365, 218746, 225918, 298290, 328119, 348005, 376530, 417606, 422730, 447435, 546865, 564795, 626409, 656238, 696010, 765611, 894870, 984357, 1044015, 1093730, 1129590, 1252818, 1531222, 1640595, 1968714, 2088030, 2296833, 3132045, 3281190, 3828055, 4593666, 4921785, 6264090, 6890499, 7656110, 9843570, 11484165, 13780998, 22968330, 34452495, 68904990]

約数ペア:

[(1, 68904990), (2, 34452495), (3, 22968330), (5, 13780998), (6, 11484165), (7, 9843570), (9, 7656110), (10, 6890499), (11, 6264090), (14, 4921785), (15, 4593666), (18, 3828055), (21, 3281190), (22, 3132045), (30, 2296833), (33, 2088030), (35, 1968714), (42, 1640595), (45, 1531222), (55, 1252818), (61, 1129590), (63, 1093730), (66, 1044015), (70, 984357), (77, 894870), (90, 765611), (99, 696010), (105, 656238), (110, 626409), (122, 564795), (126, 546865), (154, 447435), (163, 422730), (165, 417606), (183, 376530), (198, 348005), (210, 328119), (231, 298290), (305, 225918), (315, 218746), (326, 211365), (330, 208803), (366, 188265), (385, 178974), (427, 161370), (462, 149145), (489, 140910), (495, 139202), (549, 125510), (610, 112959), (630, 109373), (671, 102690), (693, 99430), (770, 89487), (815, 84546), (854, 80685), (915, 75306), (978, 70455), (990, 69601), (1098, 62755), (1141, 60390), (1155, 59658), (1281, 53790), (1342, 51345), (1386, 49715), (1467, 46970), (1630, 42273), (1793, 38430), (1830, 37653), (2013, 34230), (2135, 32274), (2282, 30195), (2310, 29829), (2445, 28182), (2562, 26895), (2745, 25102), (2934, 23485), (3355, 20538), (3423, 20130), (3465, 19886), (3586, 19215), (3843, 17930), (4026, 17115), (4270, 16137), (4697, 14670), (4890, 14091), (5379, 12810), (5490, 12551), (5705, 12078), (6039, 11410), (6405, 10758), (6710, 10269), (6846, 10065), (6930, 9943), (7335, 9394), (7686, 8965)]