280747320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1181}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 966781440

約数和(自身を除く): 686034120

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, 283, 420, 566, 840, 849, 1132, 1181, 1415, 1698, 1981, 2264, 2362, 2830, 3396, 3543, 3962, 4245, 4724, 5660, 5905, 5943, 6792, 7086, 7924, 8267, 8490, 9448, 9905, 11320, 11810, 11886, 14172, 15848, 16534, 16980, 17715, 19810, 23620, 23772, 24801, 28344, 29715, 33068, 33960, 35430, 39620, 41335, 47240, 47544, 49602, 59430, 66136, 70860, 79240, 82670, 99204, 118860, 124005, 141720, 165340, 198408, 237720, 248010, 330680, 334223, 496020, 668446, 992040, 1002669, 1336892, 1671115, 2005338, 2339561, 2673784, 3342230, 4010676, 4679122, 5013345, 6684460, 7018683, 8021352, 9358244, 10026690, 11697805, 13368920, 14037366, 18716488, 20053380, 23395610, 28074732, 35093415, 40106760, 46791220, 56149464, 70186830, 93582440, 140373660, 280747320]

約数ペア:

[(1, 280747320), (2, 140373660), (3, 93582440), (4, 70186830), (5, 56149464), (6, 46791220), (7, 40106760), (8, 35093415), (10, 28074732), (12, 23395610), (14, 20053380), (15, 18716488), (20, 14037366), (21, 13368920), (24, 11697805), (28, 10026690), (30, 9358244), (35, 8021352), (40, 7018683), (42, 6684460), (56, 5013345), (60, 4679122), (70, 4010676), (84, 3342230), (105, 2673784), (120, 2339561), (140, 2005338), (168, 1671115), (210, 1336892), (280, 1002669), (283, 992040), (420, 668446), (566, 496020), (840, 334223), (849, 330680), (1132, 248010), (1181, 237720), (1415, 198408), (1698, 165340), (1981, 141720), (2264, 124005), (2362, 118860), (2830, 99204), (3396, 82670), (3543, 79240), (3962, 70860), (4245, 66136), (4724, 59430), (5660, 49602), (5905, 47544), (5943, 47240), (6792, 41335), (7086, 39620), (7924, 35430), (8267, 33960), (8490, 33068), (9448, 29715), (9905, 28344), (11320, 24801), (11810, 23772), (11886, 23620), (14172, 19810), (15848, 17715), (16534, 16980)]