129121420720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:444

約数の個数: 240

約数和(自身を含む): 318360248640

約数和(自身を除く): 189238827920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 113, 124, 155, 167, 178, 226, 248, 310, 334, 356, 445, 452, 496, 565, 620, 668, 712, 835, 890, 904, 961, 1130, 1240, 1336, 1424, 1670, 1780, 1808, 1922, 2260, 2480, 2672, 2759, 3340, 3503, 3560, 3844, 4520, 4805, 5177, 5518, 6680, 7006, 7120, 7688, 9040, 9610, 10057, 10354, 11036, 13360, 13795, 14012, 14863, 15376, 17515, 18871, 19220, 20114, 20708, 22072, 25885, 27590, 28024, 29726, 35030, 37742, 38440, 40228, 41416, 44144, 50285, 51770, 55180, 56048, 59452, 70060, 74315, 75484, 76880, 80456, 82832, 85529, 94355, 100570, 103540, 108593, 110360, 118904, 140120, 148630, 150968, 160487, 160912, 171058, 188710, 201140, 207080, 217186, 220720, 237808, 280240, 297260, 301936, 311767, 320974, 342116, 377420, 402280, 414160, 427645, 434372, 460753, 542965, 585001, 594520, 623534, 641948, 684232, 754840, 802435, 804560, 855290, 868744, 921506, 1085930, 1170002, 1189040, 1247068, 1283896, 1368464, 1509680, 1558835, 1604870, 1679519, 1710580, 1737488, 1843012, 2171860, 2303765, 2340004, 2494136, 2567792, 2925005, 3117670, 3209740, 3359038, 3421160, 3686024, 4343720, 4607530, 4680008, 4988272, 5850010, 6235340, 6419480, 6718076, 6842320, 7372048, 8397595, 8687440, 9215060, 9360016, 9664777, 11700020, 12470680, 12838960, 13436152, 14283343, 16795190, 18135031, 18430120, 19329554, 23400040, 24941360, 26872304, 28566686, 33590380, 36270062, 36860240, 38659108, 46800080, 48323885, 52065089, 57133372, 67180760, 71416715, 72540124, 77318216, 90675155, 96647770, 104130178, 114266744, 134361520, 142833430, 145080248, 154636432, 181350310, 193295540, 208260356, 228533488, 260325445, 285666860, 290160496, 362700620, 386591080, 416520712, 520650890, 571333720, 725401240, 773182160, 833041424, 1041301780, 1142667440, 1450802480, 1614017759, 2082603560, 3228035518, 4165207120, 6456071036, 8070088795, 12912142072, 16140177590, 25824284144, 32280355180, 64560710360, 129121420720]

約数ペア:

[(1, 129121420720), (2, 64560710360), (4, 32280355180), (5, 25824284144), (8, 16140177590), (10, 12912142072), (16, 8070088795), (20, 6456071036), (31, 4165207120), (40, 3228035518), (62, 2082603560), (80, 1614017759), (89, 1450802480), (113, 1142667440), (124, 1041301780), (155, 833041424), (167, 773182160), (178, 725401240), (226, 571333720), (248, 520650890), (310, 416520712), (334, 386591080), (356, 362700620), (445, 290160496), (452, 285666860), (496, 260325445), (565, 228533488), (620, 208260356), (668, 193295540), (712, 181350310), (835, 154636432), (890, 145080248), (904, 142833430), (961, 134361520), (1130, 114266744), (1240, 104130178), (1336, 96647770), (1424, 90675155), (1670, 77318216), (1780, 72540124), (1808, 71416715), (1922, 67180760), (2260, 57133372), (2480, 52065089), (2672, 48323885), (2759, 46800080), (3340, 38659108), (3503, 36860240), (3560, 36270062), (3844, 33590380), (4520, 28566686), (4805, 26872304), (5177, 24941360), (5518, 23400040), (6680, 19329554), (7006, 18430120), (7120, 18135031), (7688, 16795190), (9040, 14283343), (9610, 13436152), (10057, 12838960), (10354, 12470680), (11036, 11700020), (13360, 9664777), (13795, 9360016), (14012, 9215060), (14863, 8687440), (15376, 8397595), (17515, 7372048), (18871, 6842320), (19220, 6718076), (20114, 6419480), (20708, 6235340), (22072, 5850010), (25885, 4988272), (27590, 4680008), (28024, 4607530), (29726, 4343720), (35030, 3686024), (37742, 3421160), (38440, 3359038), (40228, 3209740), (41416, 3117670), (44144, 2925005), (50285, 2567792), (51770, 2494136), (55180, 2340004), (56048, 2303765), (59452, 2171860), (70060, 1843012), (74315, 1737488), (75484, 1710580), (76880, 1679519), (80456, 1604870), (82832, 1558835), (85529, 1509680), (94355, 1368464), (100570, 1283896), (103540, 1247068), (108593, 1189040), (110360, 1170002), (118904, 1085930), (140120, 921506), (148630, 868744), (150968, 855290), (160487, 804560), (160912, 802435), (171058, 754840), (188710, 684232), (201140, 641948), (207080, 623534), (217186, 594520), (220720, 585001), (237808, 542965), (280240, 460753), (297260, 434372), (301936, 427645), (311767, 414160), (320974, 402280), (342116, 377420)]