7405981920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{57787}}^1$

素因数の和:57897

約数の個数: 144

約数和(自身を含む): 25557320880

約数和(自身を除く): 18151338960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1440, 1602, 1780, 2136, 2670, 2848, 3204, 3560, 4005, 4272, 5340, 6408, 7120, 8010, 8544, 10680, 12816, 14240, 16020, 21360, 25632, 32040, 42720, 57787, 64080, 115574, 128160, 173361, 231148, 288935, 346722, 462296, 520083, 577870, 693444, 866805, 924592, 1040166, 1155740, 1386888, 1733610, 1849184, 2080332, 2311480, 2600415, 2773776, 3467220, 4160664, 4622960, 5143043, 5200830, 5547552, 6934440, 8321328, 9245920, 10286086, 10401660, 13868880, 15429129, 16642656, 20572172, 20803320, 25715215, 27737760, 30858258, 41144344, 41606640, 46287387, 51430430, 61716516, 77145645, 82288688, 83213280, 92574774, 102860860, 123433032, 154291290, 164577376, 185149548, 205721720, 231436935, 246866064, 308582580, 370299096, 411443440, 462873870, 493732128, 617165160, 740598192, 822886880, 925747740, 1234330320, 1481196384, 1851495480, 2468660640, 3702990960, 7405981920]

約数ペア:

[(1, 7405981920), (2, 3702990960), (3, 2468660640), (4, 1851495480), (5, 1481196384), (6, 1234330320), (8, 925747740), (9, 822886880), (10, 740598192), (12, 617165160), (15, 493732128), (16, 462873870), (18, 411443440), (20, 370299096), (24, 308582580), (30, 246866064), (32, 231436935), (36, 205721720), (40, 185149548), (45, 164577376), (48, 154291290), (60, 123433032), (72, 102860860), (80, 92574774), (89, 83213280), (90, 82288688), (96, 77145645), (120, 61716516), (144, 51430430), (160, 46287387), (178, 41606640), (180, 41144344), (240, 30858258), (267, 27737760), (288, 25715215), (356, 20803320), (360, 20572172), (445, 16642656), (480, 15429129), (534, 13868880), (712, 10401660), (720, 10286086), (801, 9245920), (890, 8321328), (1068, 6934440), (1335, 5547552), (1424, 5200830), (1440, 5143043), (1602, 4622960), (1780, 4160664), (2136, 3467220), (2670, 2773776), (2848, 2600415), (3204, 2311480), (3560, 2080332), (4005, 1849184), (4272, 1733610), (5340, 1386888), (6408, 1155740), (7120, 1040166), (8010, 924592), (8544, 866805), (10680, 693444), (12816, 577870), (14240, 520083), (16020, 462296), (21360, 346722), (25632, 288935), (32040, 231148), (42720, 173361), (57787, 128160), (64080, 115574)]