668889480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 256

約数和(自身を含む): 2508226560

約数和(自身を除く): 1839337080

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, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 340, 357, 372, 408, 420, 434, 465, 476, 510, 527, 595, 620, 651, 680, 714, 744, 840, 868, 930, 952, 1020, 1054, 1085, 1190, 1240, 1302, 1428, 1511, 1581, 1736, 1785, 1860, 2040, 2108, 2170, 2380, 2604, 2635, 2856, 3022, 3162, 3255, 3570, 3689, 3720, 4216, 4340, 4533, 4760, 5208, 5270, 6044, 6324, 6510, 7140, 7378, 7555, 7905, 8680, 9066, 10540, 10577, 11067, 12088, 12648, 13020, 14280, 14756, 15110, 15810, 18132, 18445, 21080, 21154, 22134, 22665, 25687, 26040, 29512, 30220, 31620, 31731, 36264, 36890, 42308, 44268, 45330, 46841, 51374, 52885, 55335, 60440, 63240, 63462, 73780, 77061, 84616, 88536, 90660, 93682, 102748, 105770, 110670, 126924, 128435, 140523, 147560, 154122, 158655, 179809, 181320, 187364, 205496, 211540, 221340, 234205, 253848, 256870, 281046, 308244, 317310, 327887, 359618, 374728, 385305, 423080, 442680, 468410, 513740, 539427, 562092, 616488, 634620, 655774, 702615, 719236, 770610, 796297, 899045, 936820, 983661, 1027480, 1078854, 1124184, 1269240, 1311548, 1405230, 1438472, 1541220, 1592594, 1639435, 1798090, 1873640, 1967322, 2157708, 2388891, 2623096, 2697135, 2810460, 3082440, 3185188, 3278870, 3596180, 3934644, 3981485, 4315416, 4777782, 4918305, 5394270, 5574079, 5620920, 6370376, 6557740, 7192360, 7869288, 7962970, 9555564, 9836610, 10788540, 11148158, 11944455, 13115480, 15925940, 16722237, 19111128, 19673220, 21577080, 22296316, 23888910, 27870395, 31851880, 33444474, 39346440, 44592632, 47777820, 55740790, 66888948, 83611185, 95555640, 111481580, 133777896, 167222370, 222963160, 334444740, 668889480]

約数ペア:

[(1, 668889480), (2, 334444740), (3, 222963160), (4, 167222370), (5, 133777896), (6, 111481580), (7, 95555640), (8, 83611185), (10, 66888948), (12, 55740790), (14, 47777820), (15, 44592632), (17, 39346440), (20, 33444474), (21, 31851880), (24, 27870395), (28, 23888910), (30, 22296316), (31, 21577080), (34, 19673220), (35, 19111128), (40, 16722237), (42, 15925940), (51, 13115480), (56, 11944455), (60, 11148158), (62, 10788540), (68, 9836610), (70, 9555564), (84, 7962970), (85, 7869288), (93, 7192360), (102, 6557740), (105, 6370376), (119, 5620920), (120, 5574079), (124, 5394270), (136, 4918305), (140, 4777782), (155, 4315416), (168, 3981485), (170, 3934644), (186, 3596180), (204, 3278870), (210, 3185188), (217, 3082440), (238, 2810460), (248, 2697135), (255, 2623096), (280, 2388891), (310, 2157708), (340, 1967322), (357, 1873640), (372, 1798090), (408, 1639435), (420, 1592594), (434, 1541220), (465, 1438472), (476, 1405230), (510, 1311548), (527, 1269240), (595, 1124184), (620, 1078854), (651, 1027480), (680, 983661), (714, 936820), (744, 899045), (840, 796297), (868, 770610), (930, 719236), (952, 702615), (1020, 655774), (1054, 634620), (1085, 616488), (1190, 562092), (1240, 539427), (1302, 513740), (1428, 468410), (1511, 442680), (1581, 423080), (1736, 385305), (1785, 374728), (1860, 359618), (2040, 327887), (2108, 317310), (2170, 308244), (2380, 281046), (2604, 256870), (2635, 253848), (2856, 234205), (3022, 221340), (3162, 211540), (3255, 205496), (3570, 187364), (3689, 181320), (3720, 179809), (4216, 158655), (4340, 154122), (4533, 147560), (4760, 140523), (5208, 128435), (5270, 126924), (6044, 110670), (6324, 105770), (6510, 102748), (7140, 93682), (7378, 90660), (7555, 88536), (7905, 84616), (8680, 77061), (9066, 73780), (10540, 63462), (10577, 63240), (11067, 60440), (12088, 55335), (12648, 52885), (13020, 51374), (14280, 46841), (14756, 45330), (15110, 44268), (15810, 42308), (18132, 36890), (18445, 36264), (21080, 31731), (21154, 31620), (22134, 30220), (22665, 29512), (25687, 26040)]