281159370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 781735680

約数和(自身を除く): 500576310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 61, 86, 90, 122, 129, 135, 183, 215, 258, 270, 305, 366, 387, 397, 430, 549, 610, 645, 774, 794, 915, 1098, 1161, 1191, 1290, 1647, 1830, 1935, 1985, 2322, 2382, 2623, 2745, 3294, 3573, 3870, 3970, 5246, 5490, 5805, 5955, 7146, 7869, 8235, 10719, 11610, 11910, 13115, 15738, 16470, 17071, 17865, 21438, 23607, 24217, 26230, 34142, 35730, 39345, 47214, 48434, 51213, 53595, 70821, 72651, 78690, 85355, 102426, 107190, 118035, 121085, 141642, 145302, 153639, 170710, 217953, 236070, 242170, 256065, 307278, 354105, 363255, 435906, 460917, 512130, 653859, 708210, 726510, 768195, 921834, 1041331, 1089765, 1307718, 1536390, 2082662, 2179530, 2304585, 3123993, 3269295, 4609170, 5206655, 6247986, 6538590, 9371979, 10413310, 15619965, 18743958, 28115937, 31239930, 46859895, 56231874, 93719790, 140579685, 281159370]

約数ペア:

[(1, 281159370), (2, 140579685), (3, 93719790), (5, 56231874), (6, 46859895), (9, 31239930), (10, 28115937), (15, 18743958), (18, 15619965), (27, 10413310), (30, 9371979), (43, 6538590), (45, 6247986), (54, 5206655), (61, 4609170), (86, 3269295), (90, 3123993), (122, 2304585), (129, 2179530), (135, 2082662), (183, 1536390), (215, 1307718), (258, 1089765), (270, 1041331), (305, 921834), (366, 768195), (387, 726510), (397, 708210), (430, 653859), (549, 512130), (610, 460917), (645, 435906), (774, 363255), (794, 354105), (915, 307278), (1098, 256065), (1161, 242170), (1191, 236070), (1290, 217953), (1647, 170710), (1830, 153639), (1935, 145302), (1985, 141642), (2322, 121085), (2382, 118035), (2623, 107190), (2745, 102426), (3294, 85355), (3573, 78690), (3870, 72651), (3970, 70821), (5246, 53595), (5490, 51213), (5805, 48434), (5955, 47214), (7146, 39345), (7869, 35730), (8235, 34142), (10719, 26230), (11610, 24217), (11910, 23607), (13115, 21438), (15738, 17865), (16470, 17071)]