172479720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 634521600

約数和(自身を除く): 462041880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 101, 105, 107, 114, 120, 133, 140, 152, 168, 190, 202, 210, 214, 228, 266, 280, 285, 303, 321, 380, 399, 404, 420, 428, 456, 505, 532, 535, 570, 606, 642, 665, 707, 749, 760, 798, 808, 840, 856, 1010, 1064, 1070, 1140, 1212, 1284, 1330, 1414, 1498, 1515, 1596, 1605, 1919, 1995, 2020, 2033, 2121, 2140, 2247, 2280, 2424, 2568, 2660, 2828, 2996, 3030, 3192, 3210, 3535, 3745, 3838, 3990, 4040, 4066, 4242, 4280, 4494, 5320, 5656, 5757, 5992, 6060, 6099, 6420, 7070, 7490, 7676, 7980, 8132, 8484, 8988, 9595, 10165, 10605, 10807, 11235, 11514, 12120, 12198, 12840, 13433, 14140, 14231, 14980, 15352, 15960, 16264, 16968, 17976, 19190, 20330, 21210, 21614, 22470, 23028, 24396, 26866, 28280, 28462, 28785, 29960, 30495, 32421, 38380, 40299, 40660, 42420, 42693, 43228, 44940, 46056, 48792, 53732, 54035, 56924, 57570, 60990, 64842, 67165, 71155, 75649, 76760, 80598, 81320, 84840, 85386, 86456, 89880, 107464, 108070, 113848, 115140, 121980, 129684, 134330, 142310, 151298, 161196, 162105, 170772, 201495, 205333, 213465, 216140, 226947, 230280, 243960, 259368, 268660, 284620, 302596, 322392, 324210, 341544, 378245, 402990, 410666, 426930, 432280, 453894, 537320, 569240, 605192, 615999, 648420, 756490, 805980, 821332, 853860, 907788, 1026665, 1134735, 1231998, 1296840, 1437331, 1512980, 1611960, 1642664, 1707720, 1815576, 2053330, 2269470, 2463996, 2874662, 3025960, 3079995, 4106660, 4311993, 4538940, 4927992, 5749324, 6159990, 7186655, 8213320, 8623986, 9077880, 11498648, 12319980, 14373310, 17247972, 21559965, 24639960, 28746620, 34495944, 43119930, 57493240, 86239860, 172479720]

約数ペア:

[(1, 172479720), (2, 86239860), (3, 57493240), (4, 43119930), (5, 34495944), (6, 28746620), (7, 24639960), (8, 21559965), (10, 17247972), (12, 14373310), (14, 12319980), (15, 11498648), (19, 9077880), (20, 8623986), (21, 8213320), (24, 7186655), (28, 6159990), (30, 5749324), (35, 4927992), (38, 4538940), (40, 4311993), (42, 4106660), (56, 3079995), (57, 3025960), (60, 2874662), (70, 2463996), (76, 2269470), (84, 2053330), (95, 1815576), (101, 1707720), (105, 1642664), (107, 1611960), (114, 1512980), (120, 1437331), (133, 1296840), (140, 1231998), (152, 1134735), (168, 1026665), (190, 907788), (202, 853860), (210, 821332), (214, 805980), (228, 756490), (266, 648420), (280, 615999), (285, 605192), (303, 569240), (321, 537320), (380, 453894), (399, 432280), (404, 426930), (420, 410666), (428, 402990), (456, 378245), (505, 341544), (532, 324210), (535, 322392), (570, 302596), (606, 284620), (642, 268660), (665, 259368), (707, 243960), (749, 230280), (760, 226947), (798, 216140), (808, 213465), (840, 205333), (856, 201495), (1010, 170772), (1064, 162105), (1070, 161196), (1140, 151298), (1212, 142310), (1284, 134330), (1330, 129684), (1414, 121980), (1498, 115140), (1515, 113848), (1596, 108070), (1605, 107464), (1919, 89880), (1995, 86456), (2020, 85386), (2033, 84840), (2121, 81320), (2140, 80598), (2247, 76760), (2280, 75649), (2424, 71155), (2568, 67165), (2660, 64842), (2828, 60990), (2996, 57570), (3030, 56924), (3192, 54035), (3210, 53732), (3535, 48792), (3745, 46056), (3838, 44940), (3990, 43228), (4040, 42693), (4066, 42420), (4242, 40660), (4280, 40299), (4494, 38380), (5320, 32421), (5656, 30495), (5757, 29960), (5992, 28785), (6060, 28462), (6099, 28280), (6420, 26866), (7070, 24396), (7490, 23028), (7676, 22470), (7980, 21614), (8132, 21210), (8484, 20330), (8988, 19190), (9595, 17976), (10165, 16968), (10605, 16264), (10807, 15960), (11235, 15352), (11514, 14980), (12120, 14231), (12198, 14140), (12840, 13433)]