641011320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 240

約数和(自身を含む): 2226395160

約数和(自身を除く): 1585383840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 107, 108, 120, 129, 135, 162, 172, 180, 214, 215, 216, 258, 270, 321, 324, 344, 360, 387, 405, 428, 430, 516, 535, 540, 642, 645, 648, 774, 810, 856, 860, 963, 1032, 1070, 1080, 1161, 1284, 1290, 1548, 1605, 1620, 1720, 1849, 1926, 1935, 2140, 2322, 2568, 2580, 2889, 3096, 3210, 3240, 3483, 3698, 3852, 3870, 4280, 4601, 4644, 4815, 5160, 5547, 5778, 5805, 6420, 6966, 7396, 7704, 7740, 8667, 9202, 9245, 9288, 9630, 11094, 11556, 11610, 12840, 13803, 13932, 14445, 14792, 15480, 16641, 17334, 17415, 18404, 18490, 19260, 22188, 23005, 23112, 23220, 27606, 27735, 27864, 28890, 33282, 34668, 34830, 36808, 36980, 38520, 41409, 43335, 44376, 46010, 46440, 49923, 55212, 55470, 57780, 66564, 69015, 69336, 69660, 73960, 82818, 83205, 86670, 92020, 99846, 110424, 110940, 115560, 124227, 133128, 138030, 139320, 149769, 165636, 166410, 173340, 184040, 197843, 199692, 207045, 221880, 248454, 249615, 276060, 299538, 331272, 332820, 346680, 372681, 395686, 399384, 414090, 496908, 499230, 552120, 593529, 599076, 621135, 665640, 745362, 748845, 791372, 828180, 989215, 993816, 998460, 1187058, 1198152, 1242270, 1490724, 1497690, 1582744, 1656360, 1780587, 1863405, 1978430, 1996920, 2374116, 2484540, 2967645, 2981448, 2995380, 3561174, 3726810, 3956860, 4748232, 4969080, 5341761, 5935290, 5990760, 7122348, 7453620, 7913720, 8902935, 10683522, 11870580, 14244696, 14907240, 16025283, 17805870, 21367044, 23741160, 26708805, 32050566, 35611740, 42734088, 53417610, 64101132, 71223480, 80126415, 106835220, 128202264, 160252830, 213670440, 320505660, 641011320]

約数ペア:

[(1, 641011320), (2, 320505660), (3, 213670440), (4, 160252830), (5, 128202264), (6, 106835220), (8, 80126415), (9, 71223480), (10, 64101132), (12, 53417610), (15, 42734088), (18, 35611740), (20, 32050566), (24, 26708805), (27, 23741160), (30, 21367044), (36, 17805870), (40, 16025283), (43, 14907240), (45, 14244696), (54, 11870580), (60, 10683522), (72, 8902935), (81, 7913720), (86, 7453620), (90, 7122348), (107, 5990760), (108, 5935290), (120, 5341761), (129, 4969080), (135, 4748232), (162, 3956860), (172, 3726810), (180, 3561174), (214, 2995380), (215, 2981448), (216, 2967645), (258, 2484540), (270, 2374116), (321, 1996920), (324, 1978430), (344, 1863405), (360, 1780587), (387, 1656360), (405, 1582744), (428, 1497690), (430, 1490724), (516, 1242270), (535, 1198152), (540, 1187058), (642, 998460), (645, 993816), (648, 989215), (774, 828180), (810, 791372), (856, 748845), (860, 745362), (963, 665640), (1032, 621135), (1070, 599076), (1080, 593529), (1161, 552120), (1284, 499230), (1290, 496908), (1548, 414090), (1605, 399384), (1620, 395686), (1720, 372681), (1849, 346680), (1926, 332820), (1935, 331272), (2140, 299538), (2322, 276060), (2568, 249615), (2580, 248454), (2889, 221880), (3096, 207045), (3210, 199692), (3240, 197843), (3483, 184040), (3698, 173340), (3852, 166410), (3870, 165636), (4280, 149769), (4601, 139320), (4644, 138030), (4815, 133128), (5160, 124227), (5547, 115560), (5778, 110940), (5805, 110424), (6420, 99846), (6966, 92020), (7396, 86670), (7704, 83205), (7740, 82818), (8667, 73960), (9202, 69660), (9245, 69336), (9288, 69015), (9630, 66564), (11094, 57780), (11556, 55470), (11610, 55212), (12840, 49923), (13803, 46440), (13932, 46010), (14445, 44376), (14792, 43335), (15480, 41409), (16641, 38520), (17334, 36980), (17415, 36808), (18404, 34830), (18490, 34668), (19260, 33282), (22188, 28890), (23005, 27864), (23112, 27735), (23220, 27606)]