428720280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210157}}^1$

素因数の和:210188

約数の個数: 64

約数和(自身を含む): 1361823840

約数和(自身を除く): 933103560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 210157, 420314, 630471, 840628, 1050785, 1260942, 1681256, 2101570, 2521884, 3152355, 3572669, 4203140, 5043768, 6304710, 7145338, 8406280, 10718007, 12609420, 14290676, 17863345, 21436014, 25218840, 28581352, 35726690, 42872028, 53590035, 71453380, 85744056, 107180070, 142906760, 214360140, 428720280]

約数ペア:

[(1, 428720280), (2, 214360140), (3, 142906760), (4, 107180070), (5, 85744056), (6, 71453380), (8, 53590035), (10, 42872028), (12, 35726690), (15, 28581352), (17, 25218840), (20, 21436014), (24, 17863345), (30, 14290676), (34, 12609420), (40, 10718007), (51, 8406280), (60, 7145338), (68, 6304710), (85, 5043768), (102, 4203140), (120, 3572669), (136, 3152355), (170, 2521884), (204, 2101570), (255, 1681256), (340, 1260942), (408, 1050785), (510, 840628), (680, 630471), (1020, 420314), (2040, 210157)]