90068940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 299522496

約数和(自身を除く): 209453556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 631, 732, 780, 793, 915, 1098, 1170, 1220, 1262, 1586, 1830, 1893, 2196, 2340, 2379, 2524, 2745, 3155, 3172, 3660, 3786, 3965, 4758, 5490, 5679, 6310, 7137, 7572, 7930, 8203, 9465, 9516, 10980, 11358, 11895, 12620, 14274, 15860, 16406, 18930, 22716, 23790, 24609, 28395, 28548, 32812, 35685, 37860, 38491, 41015, 47580, 49218, 56790, 71370, 73827, 76982, 82030, 98436, 113580, 115473, 123045, 142740, 147654, 153964, 164060, 192455, 230946, 246090, 295308, 346419, 369135, 384910, 461892, 492180, 500383, 577365, 692838, 738270, 769820, 1000766, 1154730, 1385676, 1476540, 1501149, 1732095, 2001532, 2309460, 2501915, 3002298, 3464190, 4503447, 5003830, 6004596, 6928380, 7505745, 9006894, 10007660, 15011490, 18013788, 22517235, 30022980, 45034470, 90068940]

約数ペア:

[(1, 90068940), (2, 45034470), (3, 30022980), (4, 22517235), (5, 18013788), (6, 15011490), (9, 10007660), (10, 9006894), (12, 7505745), (13, 6928380), (15, 6004596), (18, 5003830), (20, 4503447), (26, 3464190), (30, 3002298), (36, 2501915), (39, 2309460), (45, 2001532), (52, 1732095), (60, 1501149), (61, 1476540), (65, 1385676), (78, 1154730), (90, 1000766), (117, 769820), (122, 738270), (130, 692838), (156, 577365), (180, 500383), (183, 492180), (195, 461892), (234, 384910), (244, 369135), (260, 346419), (305, 295308), (366, 246090), (390, 230946), (468, 192455), (549, 164060), (585, 153964), (610, 147654), (631, 142740), (732, 123045), (780, 115473), (793, 113580), (915, 98436), (1098, 82030), (1170, 76982), (1220, 73827), (1262, 71370), (1586, 56790), (1830, 49218), (1893, 47580), (2196, 41015), (2340, 38491), (2379, 37860), (2524, 35685), (2745, 32812), (3155, 28548), (3172, 28395), (3660, 24609), (3786, 23790), (3965, 22716), (4758, 18930), (5490, 16406), (5679, 15860), (6310, 14274), (7137, 12620), (7572, 11895), (7930, 11358), (8203, 10980), (9465, 9516)]