54781740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 183639456

約数和(自身を除く): 128857716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 369, 390, 410, 468, 492, 533, 571, 585, 615, 738, 780, 820, 1066, 1142, 1170, 1230, 1476, 1599, 1713, 1845, 2132, 2284, 2340, 2460, 2665, 2855, 3198, 3426, 3690, 4797, 5139, 5330, 5710, 6396, 6852, 7380, 7423, 7995, 8565, 9594, 10278, 10660, 11420, 14846, 15990, 17130, 19188, 20556, 22269, 23411, 23985, 25695, 29692, 31980, 34260, 37115, 44538, 46822, 47970, 51390, 66807, 70233, 74230, 89076, 93644, 95940, 102780, 111345, 117055, 133614, 140466, 148460, 210699, 222690, 234110, 267228, 280932, 304343, 334035, 351165, 421398, 445380, 468220, 608686, 668070, 702330, 842796, 913029, 1053495, 1217372, 1336140, 1404660, 1521715, 1826058, 2106990, 2739087, 3043430, 3652116, 4213980, 4565145, 5478174, 6086860, 9130290, 10956348, 13695435, 18260580, 27390870, 54781740]

約数ペア:

[(1, 54781740), (2, 27390870), (3, 18260580), (4, 13695435), (5, 10956348), (6, 9130290), (9, 6086860), (10, 5478174), (12, 4565145), (13, 4213980), (15, 3652116), (18, 3043430), (20, 2739087), (26, 2106990), (30, 1826058), (36, 1521715), (39, 1404660), (41, 1336140), (45, 1217372), (52, 1053495), (60, 913029), (65, 842796), (78, 702330), (82, 668070), (90, 608686), (117, 468220), (123, 445380), (130, 421398), (156, 351165), (164, 334035), (180, 304343), (195, 280932), (205, 267228), (234, 234110), (246, 222690), (260, 210699), (369, 148460), (390, 140466), (410, 133614), (468, 117055), (492, 111345), (533, 102780), (571, 95940), (585, 93644), (615, 89076), (738, 74230), (780, 70233), (820, 66807), (1066, 51390), (1142, 47970), (1170, 46822), (1230, 44538), (1476, 37115), (1599, 34260), (1713, 31980), (1845, 29692), (2132, 25695), (2284, 23985), (2340, 23411), (2460, 22269), (2665, 20556), (2855, 19188), (3198, 17130), (3426, 15990), (3690, 14846), (4797, 11420), (5139, 10660), (5330, 10278), (5710, 9594), (6396, 8565), (6852, 7995), (7380, 7423)]