72440385840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3245537}}^1$

素因数の和:3245587

約数の個数: 120

約数和(自身を含む): 251126748288

約数和(自身を除く): 178686362448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 3245537, 6491074, 9736611, 12982148, 16227685, 19473222, 25964296, 29209833, 32455370, 38946444, 48683055, 51928592, 58419666, 64910740, 77892888, 97366110, 100611647, 116839332, 129821480, 146049165, 155785776, 194732220, 201223294, 233678664, 259642960, 292098330, 301834941, 389464440, 402446588, 467357328, 503058235, 584196660, 603669882, 778928880, 804893176, 905504823, 1006116470, 1168393320, 1207339764, 1509174705, 1609786352, 1811009646, 2012232940, 2336786640, 2414679528, 3018349410, 3622019292, 4024465880, 4527524115, 4829359056, 6036698820, 7244038584, 8048931760, 9055048230, 12073397640, 14488077168, 18110096460, 24146795280, 36220192920, 72440385840]

約数ペア:

[(1, 72440385840), (2, 36220192920), (3, 24146795280), (4, 18110096460), (5, 14488077168), (6, 12073397640), (8, 9055048230), (9, 8048931760), (10, 7244038584), (12, 6036698820), (15, 4829359056), (16, 4527524115), (18, 4024465880), (20, 3622019292), (24, 3018349410), (30, 2414679528), (31, 2336786640), (36, 2012232940), (40, 1811009646), (45, 1609786352), (48, 1509174705), (60, 1207339764), (62, 1168393320), (72, 1006116470), (80, 905504823), (90, 804893176), (93, 778928880), (120, 603669882), (124, 584196660), (144, 503058235), (155, 467357328), (180, 402446588), (186, 389464440), (240, 301834941), (248, 292098330), (279, 259642960), (310, 233678664), (360, 201223294), (372, 194732220), (465, 155785776), (496, 146049165), (558, 129821480), (620, 116839332), (720, 100611647), (744, 97366110), (930, 77892888), (1116, 64910740), (1240, 58419666), (1395, 51928592), (1488, 48683055), (1860, 38946444), (2232, 32455370), (2480, 29209833), (2790, 25964296), (3720, 19473222), (4464, 16227685), (5580, 12982148), (7440, 9736611), (11160, 6491074), (22320, 3245537)]