15870893640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{12689}}^1$

素因数の和:14199

約数の個数: 128

約数和(自身を含む): 54455328000

約数和(自身を除く): 38584434360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1489, 2978, 4467, 5956, 7445, 8934, 10423, 11912, 12689, 14890, 17868, 20846, 22335, 25378, 29780, 31269, 35736, 38067, 41692, 44670, 50756, 52115, 59560, 62538, 63445, 76134, 83384, 88823, 89340, 101512, 104230, 125076, 126890, 152268, 156345, 177646, 178680, 190335, 208460, 250152, 253780, 266469, 304536, 312690, 355292, 380670, 416920, 444115, 507560, 532938, 625380, 710584, 761340, 888230, 1065876, 1250760, 1332345, 1522680, 1776460, 2131752, 2664690, 3552920, 5329380, 10658760, 18893921, 37787842, 56681763, 75575684, 94469605, 113363526, 132257447, 151151368, 188939210, 226727052, 264514894, 283408815, 377878420, 396772341, 453454104, 529029788, 566817630, 661287235, 755756840, 793544682, 1058059576, 1133635260, 1322574470, 1587089364, 1983861705, 2267270520, 2645148940, 3174178728, 3967723410, 5290297880, 7935446820, 15870893640]

約数ペア:

[(1, 15870893640), (2, 7935446820), (3, 5290297880), (4, 3967723410), (5, 3174178728), (6, 2645148940), (7, 2267270520), (8, 1983861705), (10, 1587089364), (12, 1322574470), (14, 1133635260), (15, 1058059576), (20, 793544682), (21, 755756840), (24, 661287235), (28, 566817630), (30, 529029788), (35, 453454104), (40, 396772341), (42, 377878420), (56, 283408815), (60, 264514894), (70, 226727052), (84, 188939210), (105, 151151368), (120, 132257447), (140, 113363526), (168, 94469605), (210, 75575684), (280, 56681763), (420, 37787842), (840, 18893921), (1489, 10658760), (2978, 5329380), (4467, 3552920), (5956, 2664690), (7445, 2131752), (8934, 1776460), (10423, 1522680), (11912, 1332345), (12689, 1250760), (14890, 1065876), (17868, 888230), (20846, 761340), (22335, 710584), (25378, 625380), (29780, 532938), (31269, 507560), (35736, 444115), (38067, 416920), (41692, 380670), (44670, 355292), (50756, 312690), (52115, 304536), (59560, 266469), (62538, 253780), (63445, 250152), (76134, 208460), (83384, 190335), (88823, 178680), (89340, 177646), (101512, 156345), (104230, 152268), (125076, 126890)]