18149880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 69672960

約数和(自身を除く): 51523080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 41, 42, 51, 56, 60, 62, 68, 70, 82, 84, 85, 93, 102, 105, 119, 120, 123, 124, 136, 140, 155, 164, 168, 170, 186, 204, 205, 210, 217, 238, 246, 248, 255, 280, 287, 310, 328, 340, 357, 372, 408, 410, 420, 434, 465, 476, 492, 510, 527, 574, 595, 615, 620, 651, 680, 697, 714, 744, 820, 840, 861, 868, 930, 952, 984, 1020, 1054, 1085, 1148, 1190, 1230, 1240, 1271, 1302, 1394, 1428, 1435, 1581, 1640, 1722, 1736, 1785, 1860, 2040, 2091, 2108, 2170, 2296, 2380, 2460, 2542, 2604, 2635, 2788, 2856, 2870, 3162, 3255, 3444, 3485, 3570, 3689, 3720, 3813, 4182, 4216, 4305, 4340, 4760, 4879, 4920, 5084, 5208, 5270, 5576, 5740, 6324, 6355, 6510, 6888, 6970, 7140, 7378, 7626, 7905, 8364, 8610, 8680, 8897, 9758, 10168, 10455, 10540, 11067, 11480, 12648, 12710, 13020, 13940, 14280, 14637, 14756, 15252, 15810, 16728, 17220, 17794, 18445, 19065, 19516, 20910, 21080, 21607, 22134, 24395, 25420, 26040, 26691, 27880, 29274, 29512, 30504, 31620, 34440, 35588, 36890, 38130, 39032, 41820, 43214, 44268, 44485, 48790, 50840, 53382, 55335, 58548, 63240, 64821, 71176, 73185, 73780, 76260, 83640, 86428, 88536, 88970, 97580, 106764, 108035, 110670, 117096, 129642, 133455, 146370, 147560, 151249, 152520, 172856, 177940, 195160, 213528, 216070, 221340, 259284, 266910, 292740, 302498, 324105, 355880, 432140, 442680, 453747, 518568, 533820, 585480, 604996, 648210, 756245, 864280, 907494, 1067640, 1209992, 1296420, 1512490, 1814988, 2268735, 2592840, 3024980, 3629976, 4537470, 6049960, 9074940, 18149880]

約数ペア:

[(1, 18149880), (2, 9074940), (3, 6049960), (4, 4537470), (5, 3629976), (6, 3024980), (7, 2592840), (8, 2268735), (10, 1814988), (12, 1512490), (14, 1296420), (15, 1209992), (17, 1067640), (20, 907494), (21, 864280), (24, 756245), (28, 648210), (30, 604996), (31, 585480), (34, 533820), (35, 518568), (40, 453747), (41, 442680), (42, 432140), (51, 355880), (56, 324105), (60, 302498), (62, 292740), (68, 266910), (70, 259284), (82, 221340), (84, 216070), (85, 213528), (93, 195160), (102, 177940), (105, 172856), (119, 152520), (120, 151249), (123, 147560), (124, 146370), (136, 133455), (140, 129642), (155, 117096), (164, 110670), (168, 108035), (170, 106764), (186, 97580), (204, 88970), (205, 88536), (210, 86428), (217, 83640), (238, 76260), (246, 73780), (248, 73185), (255, 71176), (280, 64821), (287, 63240), (310, 58548), (328, 55335), (340, 53382), (357, 50840), (372, 48790), (408, 44485), (410, 44268), (420, 43214), (434, 41820), (465, 39032), (476, 38130), (492, 36890), (510, 35588), (527, 34440), (574, 31620), (595, 30504), (615, 29512), (620, 29274), (651, 27880), (680, 26691), (697, 26040), (714, 25420), (744, 24395), (820, 22134), (840, 21607), (861, 21080), (868, 20910), (930, 19516), (952, 19065), (984, 18445), (1020, 17794), (1054, 17220), (1085, 16728), (1148, 15810), (1190, 15252), (1230, 14756), (1240, 14637), (1271, 14280), (1302, 13940), (1394, 13020), (1428, 12710), (1435, 12648), (1581, 11480), (1640, 11067), (1722, 10540), (1736, 10455), (1785, 10168), (1860, 9758), (2040, 8897), (2091, 8680), (2108, 8610), (2170, 8364), (2296, 7905), (2380, 7626), (2460, 7378), (2542, 7140), (2604, 6970), (2635, 6888), (2788, 6510), (2856, 6355), (2870, 6324), (3162, 5740), (3255, 5576), (3444, 5270), (3485, 5208), (3570, 5084), (3689, 4920), (3720, 4879), (3813, 4760), (4182, 4340), (4216, 4305)]