8728980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 28675584

約数和(自身を除く): 19946604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 52, 57, 60, 62, 65, 76, 78, 93, 95, 114, 124, 130, 155, 156, 186, 190, 195, 228, 247, 260, 285, 310, 361, 372, 380, 390, 403, 465, 494, 570, 589, 620, 722, 741, 780, 806, 930, 988, 1083, 1140, 1178, 1209, 1235, 1444, 1482, 1612, 1767, 1805, 1860, 2015, 2166, 2356, 2418, 2470, 2945, 2964, 3534, 3610, 3705, 4030, 4332, 4693, 4836, 4940, 5415, 5890, 6045, 7068, 7220, 7410, 7657, 8060, 8835, 9386, 10830, 11191, 11780, 12090, 14079, 14820, 15314, 17670, 18772, 21660, 22382, 22971, 23465, 24180, 28158, 30628, 33573, 35340, 38285, 44764, 45942, 46930, 55955, 56316, 67146, 70395, 76570, 91884, 93860, 111910, 114855, 134292, 140790, 145483, 153140, 167865, 223820, 229710, 281580, 290966, 335730, 436449, 459420, 581932, 671460, 727415, 872898, 1454830, 1745796, 2182245, 2909660, 4364490, 8728980]

約数ペア:

[(1, 8728980), (2, 4364490), (3, 2909660), (4, 2182245), (5, 1745796), (6, 1454830), (10, 872898), (12, 727415), (13, 671460), (15, 581932), (19, 459420), (20, 436449), (26, 335730), (30, 290966), (31, 281580), (38, 229710), (39, 223820), (52, 167865), (57, 153140), (60, 145483), (62, 140790), (65, 134292), (76, 114855), (78, 111910), (93, 93860), (95, 91884), (114, 76570), (124, 70395), (130, 67146), (155, 56316), (156, 55955), (186, 46930), (190, 45942), (195, 44764), (228, 38285), (247, 35340), (260, 33573), (285, 30628), (310, 28158), (361, 24180), (372, 23465), (380, 22971), (390, 22382), (403, 21660), (465, 18772), (494, 17670), (570, 15314), (589, 14820), (620, 14079), (722, 12090), (741, 11780), (780, 11191), (806, 10830), (930, 9386), (988, 8835), (1083, 8060), (1140, 7657), (1178, 7410), (1209, 7220), (1235, 7068), (1444, 6045), (1482, 5890), (1612, 5415), (1767, 4940), (1805, 4836), (1860, 4693), (2015, 4332), (2166, 4030), (2356, 3705), (2418, 3610), (2470, 3534), (2945, 2964)]