81589800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 282571200

約数和(自身を除く): 200981400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 25, 30, 34, 38, 40, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 120, 136, 150, 152, 170, 190, 200, 204, 228, 255, 285, 300, 323, 340, 380, 408, 421, 425, 456, 475, 510, 570, 600, 646, 680, 760, 842, 850, 950, 969, 1020, 1140, 1263, 1275, 1292, 1425, 1615, 1684, 1700, 1900, 1938, 2040, 2105, 2280, 2526, 2550, 2584, 2850, 3230, 3368, 3400, 3800, 3876, 4210, 4845, 5052, 5100, 5700, 6315, 6460, 7157, 7752, 7999, 8075, 8420, 9690, 10104, 10200, 10525, 11400, 12630, 12920, 14314, 15998, 16150, 16840, 19380, 21050, 21471, 23997, 24225, 25260, 28628, 31575, 31996, 32300, 35785, 38760, 39995, 42100, 42942, 47994, 48450, 50520, 57256, 63150, 63992, 64600, 71570, 79990, 84200, 85884, 95988, 96900, 107355, 119985, 126300, 135983, 143140, 159980, 171768, 178925, 191976, 193800, 199975, 214710, 239970, 252600, 271966, 286280, 319960, 357850, 399950, 407949, 429420, 479940, 536775, 543932, 599925, 679915, 715700, 799900, 815898, 858840, 959880, 1073550, 1087864, 1199850, 1359830, 1431400, 1599800, 1631796, 2039745, 2147100, 2399700, 2719660, 3263592, 3399575, 4079490, 4294200, 4799400, 5439320, 6799150, 8158980, 10198725, 13598300, 16317960, 20397450, 27196600, 40794900, 81589800]

約数ペア:

[(1, 81589800), (2, 40794900), (3, 27196600), (4, 20397450), (5, 16317960), (6, 13598300), (8, 10198725), (10, 8158980), (12, 6799150), (15, 5439320), (17, 4799400), (19, 4294200), (20, 4079490), (24, 3399575), (25, 3263592), (30, 2719660), (34, 2399700), (38, 2147100), (40, 2039745), (50, 1631796), (51, 1599800), (57, 1431400), (60, 1359830), (68, 1199850), (75, 1087864), (76, 1073550), (85, 959880), (95, 858840), (100, 815898), (102, 799900), (114, 715700), (120, 679915), (136, 599925), (150, 543932), (152, 536775), (170, 479940), (190, 429420), (200, 407949), (204, 399950), (228, 357850), (255, 319960), (285, 286280), (300, 271966), (323, 252600), (340, 239970), (380, 214710), (408, 199975), (421, 193800), (425, 191976), (456, 178925), (475, 171768), (510, 159980), (570, 143140), (600, 135983), (646, 126300), (680, 119985), (760, 107355), (842, 96900), (850, 95988), (950, 85884), (969, 84200), (1020, 79990), (1140, 71570), (1263, 64600), (1275, 63992), (1292, 63150), (1425, 57256), (1615, 50520), (1684, 48450), (1700, 47994), (1900, 42942), (1938, 42100), (2040, 39995), (2105, 38760), (2280, 35785), (2526, 32300), (2550, 31996), (2584, 31575), (2850, 28628), (3230, 25260), (3368, 24225), (3400, 23997), (3800, 21471), (3876, 21050), (4210, 19380), (4845, 16840), (5052, 16150), (5100, 15998), (5700, 14314), (6315, 12920), (6460, 12630), (7157, 11400), (7752, 10525), (7999, 10200), (8075, 10104), (8420, 9690)]