1311490960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2217

約数の個数: 160

約数和(自身を含む): 3569771520

約数和(自身を除く): 2258280560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 520, 589, 620, 760, 806, 988, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2141, 2356, 2470, 2480, 2945, 3224, 3952, 4030, 4282, 4712, 4940, 5890, 6448, 7657, 8060, 8564, 9424, 9880, 10705, 11780, 15314, 16120, 17128, 19760, 21410, 23560, 27833, 30628, 32240, 34256, 38285, 40679, 42820, 47120, 55666, 61256, 66371, 76570, 81358, 85640, 111332, 122512, 132742, 139165, 153140, 162716, 171280, 203395, 222664, 265484, 278330, 306280, 325432, 331855, 406790, 445328, 528827, 530968, 556660, 612560, 650864, 663710, 813580, 862823, 1057654, 1061936, 1113320, 1261049, 1327420, 1627160, 1725646, 2115308, 2226640, 2522098, 2644135, 2654840, 3254320, 3451292, 4230616, 4314115, 5044196, 5288270, 5309680, 6305245, 6902584, 8461232, 8628230, 10088392, 10576540, 12610490, 13805168, 16393637, 17256460, 20176784, 21153080, 25220980, 32787274, 34512920, 42306160, 50441960, 65574548, 69025840, 81968185, 100883920, 131149096, 163936370, 262298192, 327872740, 655745480, 1311490960]

約数ペア:

[(1, 1311490960), (2, 655745480), (4, 327872740), (5, 262298192), (8, 163936370), (10, 131149096), (13, 100883920), (16, 81968185), (19, 69025840), (20, 65574548), (26, 50441960), (31, 42306160), (38, 34512920), (40, 32787274), (52, 25220980), (62, 21153080), (65, 20176784), (76, 17256460), (80, 16393637), (95, 13805168), (104, 12610490), (124, 10576540), (130, 10088392), (152, 8628230), (155, 8461232), (190, 6902584), (208, 6305245), (247, 5309680), (248, 5288270), (260, 5044196), (304, 4314115), (310, 4230616), (380, 3451292), (403, 3254320), (494, 2654840), (496, 2644135), (520, 2522098), (589, 2226640), (620, 2115308), (760, 1725646), (806, 1627160), (988, 1327420), (1040, 1261049), (1178, 1113320), (1235, 1061936), (1240, 1057654), (1520, 862823), (1612, 813580), (1976, 663710), (2015, 650864), (2141, 612560), (2356, 556660), (2470, 530968), (2480, 528827), (2945, 445328), (3224, 406790), (3952, 331855), (4030, 325432), (4282, 306280), (4712, 278330), (4940, 265484), (5890, 222664), (6448, 203395), (7657, 171280), (8060, 162716), (8564, 153140), (9424, 139165), (9880, 132742), (10705, 122512), (11780, 111332), (15314, 85640), (16120, 81358), (17128, 76570), (19760, 66371), (21410, 61256), (23560, 55666), (27833, 47120), (30628, 42820), (32240, 40679), (34256, 38285)]