646123920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5051}}^1$

素因数の和:5121

約数の個数: 160

約数和(自身を含む): 2210108544

約数和(自身を除く): 1563984624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1560, 1599, 1640, 1968, 2132, 2460, 2665, 3120, 3198, 3280, 4264, 4920, 5051, 5330, 6396, 7995, 8528, 9840, 10102, 10660, 12792, 15153, 15990, 20204, 21320, 25255, 25584, 30306, 31980, 40408, 42640, 50510, 60612, 63960, 65663, 75765, 80816, 101020, 121224, 127920, 131326, 151530, 196989, 202040, 207091, 242448, 262652, 303060, 328315, 393978, 404080, 414182, 525304, 606120, 621273, 656630, 787956, 828364, 984945, 1035455, 1050608, 1212240, 1242546, 1313260, 1575912, 1656728, 1969890, 2070910, 2485092, 2626520, 2692183, 3106365, 3151824, 3313456, 3939780, 4141820, 4970184, 5253040, 5384366, 6212730, 7879560, 8076549, 8283640, 9940368, 10768732, 12425460, 13460915, 15759120, 16153098, 16567280, 21537464, 24850920, 26921830, 32306196, 40382745, 43074928, 49701840, 53843660, 64612392, 80765490, 107687320, 129224784, 161530980, 215374640, 323061960, 646123920]

約数ペア:

[(1, 646123920), (2, 323061960), (3, 215374640), (4, 161530980), (5, 129224784), (6, 107687320), (8, 80765490), (10, 64612392), (12, 53843660), (13, 49701840), (15, 43074928), (16, 40382745), (20, 32306196), (24, 26921830), (26, 24850920), (30, 21537464), (39, 16567280), (40, 16153098), (41, 15759120), (48, 13460915), (52, 12425460), (60, 10768732), (65, 9940368), (78, 8283640), (80, 8076549), (82, 7879560), (104, 6212730), (120, 5384366), (123, 5253040), (130, 4970184), (156, 4141820), (164, 3939780), (195, 3313456), (205, 3151824), (208, 3106365), (240, 2692183), (246, 2626520), (260, 2485092), (312, 2070910), (328, 1969890), (390, 1656728), (410, 1575912), (492, 1313260), (520, 1242546), (533, 1212240), (615, 1050608), (624, 1035455), (656, 984945), (780, 828364), (820, 787956), (984, 656630), (1040, 621273), (1066, 606120), (1230, 525304), (1560, 414182), (1599, 404080), (1640, 393978), (1968, 328315), (2132, 303060), (2460, 262652), (2665, 242448), (3120, 207091), (3198, 202040), (3280, 196989), (4264, 151530), (4920, 131326), (5051, 127920), (5330, 121224), (6396, 101020), (7995, 80816), (8528, 75765), (9840, 65663), (10102, 63960), (10660, 60612), (12792, 50510), (15153, 42640), (15990, 40408), (20204, 31980), (21320, 30306), (25255, 25584)]