685747140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 2123507904

約数和(自身を除く): 1437760764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 523, 533, 615, 780, 820, 1046, 1066, 1230, 1569, 1599, 1681, 2092, 2132, 2460, 2615, 2665, 3138, 3198, 3362, 5043, 5230, 5330, 6276, 6396, 6724, 6799, 7845, 7995, 8405, 10086, 10460, 10660, 13598, 15690, 15990, 16810, 20172, 20397, 21443, 21853, 25215, 27196, 31380, 31980, 33620, 33995, 40794, 42886, 43706, 50430, 64329, 65559, 67990, 81588, 85772, 87412, 100860, 101985, 107215, 109265, 128658, 131118, 135980, 203970, 214430, 218530, 257316, 262236, 278759, 321645, 327795, 407940, 428860, 437060, 557518, 643290, 655590, 836277, 879163, 1115036, 1286580, 1311180, 1393795, 1672554, 1758326, 2637489, 2787590, 3345108, 3516652, 4181385, 4395815, 5274978, 5575180, 8362770, 8791630, 10549956, 11429119, 13187445, 16725540, 17583260, 22858238, 26374890, 34287357, 45716476, 52749780, 57145595, 68574714, 114291190, 137149428, 171436785, 228582380, 342873570, 685747140]

約数ペア:

[(1, 685747140), (2, 342873570), (3, 228582380), (4, 171436785), (5, 137149428), (6, 114291190), (10, 68574714), (12, 57145595), (13, 52749780), (15, 45716476), (20, 34287357), (26, 26374890), (30, 22858238), (39, 17583260), (41, 16725540), (52, 13187445), (60, 11429119), (65, 10549956), (78, 8791630), (82, 8362770), (123, 5575180), (130, 5274978), (156, 4395815), (164, 4181385), (195, 3516652), (205, 3345108), (246, 2787590), (260, 2637489), (390, 1758326), (410, 1672554), (492, 1393795), (523, 1311180), (533, 1286580), (615, 1115036), (780, 879163), (820, 836277), (1046, 655590), (1066, 643290), (1230, 557518), (1569, 437060), (1599, 428860), (1681, 407940), (2092, 327795), (2132, 321645), (2460, 278759), (2615, 262236), (2665, 257316), (3138, 218530), (3198, 214430), (3362, 203970), (5043, 135980), (5230, 131118), (5330, 128658), (6276, 109265), (6396, 107215), (6724, 101985), (6799, 100860), (7845, 87412), (7995, 85772), (8405, 81588), (10086, 67990), (10460, 65559), (10660, 64329), (13598, 50430), (15690, 43706), (15990, 42886), (16810, 40794), (20172, 33995), (20397, 33620), (21443, 31980), (21853, 31380), (25215, 27196)]