281015011160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{220667}}^1$

素因数の和:220801

約数の個数: 128

約数和(自身を含む): 711786700800

約数和(自身を除く): 430771689640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 248, 260, 310, 316, 395, 403, 520, 620, 632, 790, 806, 1027, 1240, 1580, 1612, 2015, 2054, 2449, 3160, 3224, 4030, 4108, 4898, 5135, 8060, 8216, 9796, 10270, 12245, 16120, 19592, 20540, 24490, 31837, 41080, 48980, 63674, 97960, 127348, 159185, 220667, 254696, 318370, 441334, 636740, 882668, 1103335, 1273480, 1765336, 2206670, 2868671, 4413340, 5737342, 6840677, 8826680, 11474684, 13681354, 14343355, 17432693, 22949368, 27362708, 28686710, 34203385, 34865386, 54725416, 57373420, 68406770, 69730772, 87163465, 88928801, 114746840, 136813540, 139461544, 174326930, 177857602, 226625009, 273627080, 348653860, 355715204, 444644005, 453250018, 540413483, 697307720, 711430408, 889288010, 906500036, 1080826966, 1133125045, 1778576020, 1813000072, 2161653932, 2266250090, 2702067415, 3557152040, 4323307864, 4532500180, 5404134830, 7025375279, 9065000360, 10808269660, 14050750558, 21616539320, 28101501116, 35126876395, 56203002232, 70253752790, 140507505580, 281015011160]

約数ペア:

[(1, 281015011160), (2, 140507505580), (4, 70253752790), (5, 56203002232), (8, 35126876395), (10, 28101501116), (13, 21616539320), (20, 14050750558), (26, 10808269660), (31, 9065000360), (40, 7025375279), (52, 5404134830), (62, 4532500180), (65, 4323307864), (79, 3557152040), (104, 2702067415), (124, 2266250090), (130, 2161653932), (155, 1813000072), (158, 1778576020), (248, 1133125045), (260, 1080826966), (310, 906500036), (316, 889288010), (395, 711430408), (403, 697307720), (520, 540413483), (620, 453250018), (632, 444644005), (790, 355715204), (806, 348653860), (1027, 273627080), (1240, 226625009), (1580, 177857602), (1612, 174326930), (2015, 139461544), (2054, 136813540), (2449, 114746840), (3160, 88928801), (3224, 87163465), (4030, 69730772), (4108, 68406770), (4898, 57373420), (5135, 54725416), (8060, 34865386), (8216, 34203385), (9796, 28686710), (10270, 27362708), (12245, 22949368), (16120, 17432693), (19592, 14343355), (20540, 13681354), (24490, 11474684), (31837, 8826680), (41080, 6840677), (48980, 5737342), (63674, 4413340), (97960, 2868671), (127348, 2206670), (159185, 1765336), (220667, 1273480), (254696, 1103335), (318370, 882668), (441334, 636740)]