818939940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3107

約数の個数: 192

約数和(自身を含む): 2880729600

約数和(自身を除く): 2061789660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 780, 910, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1715, 1820, 1911, 2058, 2548, 2730, 2940, 3061, 3185, 3430, 3822, 4116, 4459, 5145, 5460, 6122, 6370, 6860, 7644, 8918, 9183, 9555, 10290, 12244, 12740, 13377, 15305, 17836, 18366, 19110, 20580, 21427, 22295, 26754, 30610, 36732, 38220, 39793, 42854, 44590, 45915, 53508, 61220, 64281, 66885, 79586, 85708, 89180, 91830, 107135, 119379, 128562, 133770, 149989, 159172, 183660, 198965, 214270, 238758, 257124, 267540, 278551, 299978, 321405, 397930, 428540, 449967, 477516, 557102, 596895, 599956, 642810, 749945, 795860, 835653, 899934, 1049923, 1114204, 1193790, 1285620, 1392755, 1499890, 1671306, 1799868, 1949857, 2099846, 2249835, 2387580, 2785510, 2999780, 3149769, 3342612, 3899714, 4178265, 4199692, 4499670, 5249615, 5571020, 5849571, 6299538, 7799428, 8356530, 8999340, 9749285, 10499230, 11699142, 12599076, 13648999, 15748845, 16713060, 19498570, 20998460, 23398284, 27297998, 29247855, 31497690, 38997140, 40946997, 54595996, 58495710, 62995380, 68244995, 81893994, 116991420, 136489990, 163787988, 204734985, 272979980, 409469970, 818939940]

約数ペア:

[(1, 818939940), (2, 409469970), (3, 272979980), (4, 204734985), (5, 163787988), (6, 136489990), (7, 116991420), (10, 81893994), (12, 68244995), (13, 62995380), (14, 58495710), (15, 54595996), (20, 40946997), (21, 38997140), (26, 31497690), (28, 29247855), (30, 27297998), (35, 23398284), (39, 20998460), (42, 19498570), (49, 16713060), (52, 15748845), (60, 13648999), (65, 12599076), (70, 11699142), (78, 10499230), (84, 9749285), (91, 8999340), (98, 8356530), (105, 7799428), (130, 6299538), (140, 5849571), (147, 5571020), (156, 5249615), (182, 4499670), (195, 4199692), (196, 4178265), (210, 3899714), (245, 3342612), (260, 3149769), (273, 2999780), (294, 2785510), (343, 2387580), (364, 2249835), (390, 2099846), (420, 1949857), (455, 1799868), (490, 1671306), (546, 1499890), (588, 1392755), (637, 1285620), (686, 1193790), (735, 1114204), (780, 1049923), (910, 899934), (980, 835653), (1029, 795860), (1092, 749945), (1274, 642810), (1365, 599956), (1372, 596895), (1470, 557102), (1715, 477516), (1820, 449967), (1911, 428540), (2058, 397930), (2548, 321405), (2730, 299978), (2940, 278551), (3061, 267540), (3185, 257124), (3430, 238758), (3822, 214270), (4116, 198965), (4459, 183660), (5145, 159172), (5460, 149989), (6122, 133770), (6370, 128562), (6860, 119379), (7644, 107135), (8918, 91830), (9183, 89180), (9555, 85708), (10290, 79586), (12244, 66885), (12740, 64281), (13377, 61220), (15305, 53508), (17836, 45915), (18366, 44590), (19110, 42854), (20580, 39793), (21427, 38220), (22295, 36732), (26754, 30610)]