71280487280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{128147}}^1$

素因数の和:128586

約数の個数: 80

約数和(自身を含む): 175906196640

約数和(自身を除く): 104625709360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 409, 680, 818, 1360, 1636, 2045, 3272, 4090, 6544, 6953, 8180, 13906, 16360, 27812, 32720, 34765, 55624, 69530, 111248, 128147, 139060, 256294, 278120, 512588, 556240, 640735, 1025176, 1281470, 2050352, 2178499, 2562940, 4356998, 5125880, 8713996, 10251760, 10892495, 17427992, 21784990, 34855984, 43569980, 52412123, 87139960, 104824246, 174279920, 209648492, 262060615, 419296984, 524121230, 838593968, 891006091, 1048242460, 1782012182, 2096484920, 3564024364, 4192969840, 4455030455, 7128048728, 8910060910, 14256097456, 17820121820, 35640243640, 71280487280]

約数ペア:

[(1, 71280487280), (2, 35640243640), (4, 17820121820), (5, 14256097456), (8, 8910060910), (10, 7128048728), (16, 4455030455), (17, 4192969840), (20, 3564024364), (34, 2096484920), (40, 1782012182), (68, 1048242460), (80, 891006091), (85, 838593968), (136, 524121230), (170, 419296984), (272, 262060615), (340, 209648492), (409, 174279920), (680, 104824246), (818, 87139960), (1360, 52412123), (1636, 43569980), (2045, 34855984), (3272, 21784990), (4090, 17427992), (6544, 10892495), (6953, 10251760), (8180, 8713996), (13906, 5125880), (16360, 4356998), (27812, 2562940), (32720, 2178499), (34765, 2050352), (55624, 1281470), (69530, 1025176), (111248, 640735), (128147, 556240), (139060, 512588), (256294, 278120)]