31404360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 104146560

約数和(自身を除く): 72742200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 491, 492, 520, 533, 615, 780, 820, 982, 984, 1066, 1230, 1473, 1560, 1599, 1640, 1964, 2132, 2455, 2460, 2665, 2946, 3198, 3928, 4264, 4910, 4920, 5330, 5892, 6383, 6396, 7365, 7995, 9820, 10660, 11784, 12766, 12792, 14730, 15990, 19149, 19640, 20131, 21320, 25532, 29460, 31915, 31980, 38298, 40262, 51064, 58920, 60393, 63830, 63960, 76596, 80524, 95745, 100655, 120786, 127660, 153192, 161048, 191490, 201310, 241572, 255320, 261703, 301965, 382980, 402620, 483144, 523406, 603930, 765960, 785109, 805240, 1046812, 1207860, 1308515, 1570218, 2093624, 2415720, 2617030, 3140436, 3925545, 5234060, 6280872, 7851090, 10468120, 15702180, 31404360]

約数ペア:

[(1, 31404360), (2, 15702180), (3, 10468120), (4, 7851090), (5, 6280872), (6, 5234060), (8, 3925545), (10, 3140436), (12, 2617030), (13, 2415720), (15, 2093624), (20, 1570218), (24, 1308515), (26, 1207860), (30, 1046812), (39, 805240), (40, 785109), (41, 765960), (52, 603930), (60, 523406), (65, 483144), (78, 402620), (82, 382980), (104, 301965), (120, 261703), (123, 255320), (130, 241572), (156, 201310), (164, 191490), (195, 161048), (205, 153192), (246, 127660), (260, 120786), (312, 100655), (328, 95745), (390, 80524), (410, 76596), (491, 63960), (492, 63830), (520, 60393), (533, 58920), (615, 51064), (780, 40262), (820, 38298), (982, 31980), (984, 31915), (1066, 29460), (1230, 25532), (1473, 21320), (1560, 20131), (1599, 19640), (1640, 19149), (1964, 15990), (2132, 14730), (2455, 12792), (2460, 12766), (2665, 11784), (2946, 10660), (3198, 9820), (3928, 7995), (4264, 7365), (4910, 6396), (4920, 6383), (5330, 5892)]