1721601420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1951}}^1$

素因数の和:2172

約数の個数: 192

約数和(自身を含む): 6044516352

約数和(自身を除く): 4322914932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 191, 210, 220, 231, 308, 330, 382, 385, 420, 462, 573, 660, 764, 770, 924, 955, 1146, 1155, 1337, 1540, 1910, 1951, 2101, 2292, 2310, 2674, 2865, 3820, 3902, 4011, 4202, 4620, 5348, 5730, 5853, 6303, 6685, 7804, 8022, 8404, 9755, 10505, 11460, 11706, 12606, 13370, 13657, 14707, 16044, 19510, 20055, 21010, 21461, 23412, 25212, 26740, 27314, 29265, 29414, 31515, 39020, 40110, 40971, 42020, 42922, 44121, 54628, 58530, 58828, 63030, 64383, 68285, 73535, 80220, 81942, 85844, 88242, 107305, 117060, 126060, 128766, 136570, 147070, 150227, 163884, 176484, 204855, 214610, 220605, 257532, 273140, 294140, 300454, 321915, 372641, 409710, 429220, 441210, 450681, 600908, 643830, 745282, 751135, 819420, 882420, 901362, 1117923, 1287660, 1490564, 1502270, 1802724, 1863205, 2235846, 2253405, 2608487, 3004540, 3726410, 4099051, 4471692, 4506810, 5216974, 5589615, 7452820, 7825461, 8198102, 9013620, 10433948, 11179230, 12297153, 13042435, 15650922, 16396204, 20495255, 22358460, 24594306, 26084870, 28693357, 31301844, 39127305, 40990510, 49188612, 52169740, 57386714, 61485765, 78254610, 81981020, 86080071, 114773428, 122971530, 143466785, 156509220, 172160142, 245943060, 286933570, 344320284, 430400355, 573867140, 860800710, 1721601420]

約数ペア:

[(1, 1721601420), (2, 860800710), (3, 573867140), (4, 430400355), (5, 344320284), (6, 286933570), (7, 245943060), (10, 172160142), (11, 156509220), (12, 143466785), (14, 122971530), (15, 114773428), (20, 86080071), (21, 81981020), (22, 78254610), (28, 61485765), (30, 57386714), (33, 52169740), (35, 49188612), (42, 40990510), (44, 39127305), (55, 31301844), (60, 28693357), (66, 26084870), (70, 24594306), (77, 22358460), (84, 20495255), (105, 16396204), (110, 15650922), (132, 13042435), (140, 12297153), (154, 11179230), (165, 10433948), (191, 9013620), (210, 8198102), (220, 7825461), (231, 7452820), (308, 5589615), (330, 5216974), (382, 4506810), (385, 4471692), (420, 4099051), (462, 3726410), (573, 3004540), (660, 2608487), (764, 2253405), (770, 2235846), (924, 1863205), (955, 1802724), (1146, 1502270), (1155, 1490564), (1337, 1287660), (1540, 1117923), (1910, 901362), (1951, 882420), (2101, 819420), (2292, 751135), (2310, 745282), (2674, 643830), (2865, 600908), (3820, 450681), (3902, 441210), (4011, 429220), (4202, 409710), (4620, 372641), (5348, 321915), (5730, 300454), (5853, 294140), (6303, 273140), (6685, 257532), (7804, 220605), (8022, 214610), (8404, 204855), (9755, 176484), (10505, 163884), (11460, 150227), (11706, 147070), (12606, 136570), (13370, 128766), (13657, 126060), (14707, 117060), (16044, 107305), (19510, 88242), (20055, 85844), (21010, 81942), (21461, 80220), (23412, 73535), (25212, 68285), (26740, 64383), (27314, 63030), (29265, 58828), (29414, 58530), (31515, 54628), (39020, 44121), (40110, 42922), (40971, 42020)]