18513358720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 256

約数和(自身を含む): 49351680000

約数和(自身を除く): 30838321280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 31, 32, 40, 46, 58, 62, 64, 80, 92, 115, 116, 124, 128, 145, 155, 160, 184, 230, 232, 248, 290, 310, 320, 368, 460, 464, 496, 580, 620, 640, 667, 713, 736, 899, 920, 928, 992, 1160, 1240, 1334, 1399, 1426, 1472, 1798, 1840, 1856, 1984, 2320, 2480, 2668, 2798, 2852, 2944, 3335, 3565, 3596, 3680, 3712, 3968, 4495, 4640, 4960, 5336, 5596, 5704, 6670, 6995, 7130, 7192, 7360, 8990, 9280, 9920, 10672, 11192, 11408, 13340, 13990, 14260, 14384, 14720, 17980, 18560, 19840, 20677, 21344, 22384, 22816, 26680, 27980, 28520, 28768, 32177, 35960, 40571, 41354, 42688, 43369, 44768, 45632, 53360, 55960, 57040, 57536, 64354, 71920, 81142, 82708, 85376, 86738, 89536, 91264, 103385, 106720, 111920, 114080, 115072, 128708, 143840, 160885, 162284, 165416, 173476, 179072, 202855, 206770, 213440, 216845, 223840, 228160, 257416, 287680, 321770, 324568, 330832, 346952, 405710, 413540, 426880, 433690, 447680, 456320, 514832, 575360, 643540, 649136, 661664, 693904, 811420, 827080, 867380, 895360, 933133, 997487, 1029664, 1257701, 1287080, 1298272, 1323328, 1387808, 1622840, 1654160, 1734760, 1866266, 1994974, 2059328, 2515402, 2574160, 2596544, 2646656, 2775616, 3245680, 3308320, 3469520, 3732532, 3989948, 4118656, 4665665, 4987435, 5030804, 5148320, 5193088, 5551232, 6288505, 6491360, 6616640, 6939040, 7465064, 7979896, 9331330, 9974870, 10061608, 10296640, 12577010, 12982720, 13233280, 13878080, 14930128, 15959792, 18662660, 19949740, 20123216, 20593280, 25154020, 25965440, 27756160, 28927123, 29860256, 31919584, 37325320, 39899480, 40246432, 50308040, 57854246, 59720512, 63839168, 74650640, 79798960, 80492864, 100616080, 115708492, 119441024, 127678336, 144635615, 149301280, 159597920, 160985728, 201232160, 231416984, 289271230, 298602560, 319195840, 402464320, 462833968, 578542460, 597205120, 638391680, 804928640, 925667936, 1157084920, 1851335872, 2314169840, 3702671744, 4628339680, 9256679360, 18513358720]

約数ペア:

[(1, 18513358720), (2, 9256679360), (4, 4628339680), (5, 3702671744), (8, 2314169840), (10, 1851335872), (16, 1157084920), (20, 925667936), (23, 804928640), (29, 638391680), (31, 597205120), (32, 578542460), (40, 462833968), (46, 402464320), (58, 319195840), (62, 298602560), (64, 289271230), (80, 231416984), (92, 201232160), (115, 160985728), (116, 159597920), (124, 149301280), (128, 144635615), (145, 127678336), (155, 119441024), (160, 115708492), (184, 100616080), (230, 80492864), (232, 79798960), (248, 74650640), (290, 63839168), (310, 59720512), (320, 57854246), (368, 50308040), (460, 40246432), (464, 39899480), (496, 37325320), (580, 31919584), (620, 29860256), (640, 28927123), (667, 27756160), (713, 25965440), (736, 25154020), (899, 20593280), (920, 20123216), (928, 19949740), (992, 18662660), (1160, 15959792), (1240, 14930128), (1334, 13878080), (1399, 13233280), (1426, 12982720), (1472, 12577010), (1798, 10296640), (1840, 10061608), (1856, 9974870), (1984, 9331330), (2320, 7979896), (2480, 7465064), (2668, 6939040), (2798, 6616640), (2852, 6491360), (2944, 6288505), (3335, 5551232), (3565, 5193088), (3596, 5148320), (3680, 5030804), (3712, 4987435), (3968, 4665665), (4495, 4118656), (4640, 3989948), (4960, 3732532), (5336, 3469520), (5596, 3308320), (5704, 3245680), (6670, 2775616), (6995, 2646656), (7130, 2596544), (7192, 2574160), (7360, 2515402), (8990, 2059328), (9280, 1994974), (9920, 1866266), (10672, 1734760), (11192, 1654160), (11408, 1622840), (13340, 1387808), (13990, 1323328), (14260, 1298272), (14384, 1287080), (14720, 1257701), (17980, 1029664), (18560, 997487), (19840, 933133), (20677, 895360), (21344, 867380), (22384, 827080), (22816, 811420), (26680, 693904), (27980, 661664), (28520, 649136), (28768, 643540), (32177, 575360), (35960, 514832), (40571, 456320), (41354, 447680), (42688, 433690), (43369, 426880), (44768, 413540), (45632, 405710), (53360, 346952), (55960, 330832), (57040, 324568), (57536, 321770), (64354, 287680), (71920, 257416), (81142, 228160), (82708, 223840), (85376, 216845), (86738, 213440), (89536, 206770), (91264, 202855), (103385, 179072), (106720, 173476), (111920, 165416), (114080, 162284), (115072, 160885), (128708, 143840)]