30073720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 40889480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 307, 310, 316, 395, 614, 620, 632, 790, 1228, 1240, 1535, 1580, 2449, 2456, 3070, 3160, 4898, 6140, 9517, 9796, 12245, 12280, 19034, 19592, 24253, 24490, 38068, 47585, 48506, 48980, 76136, 95170, 97012, 97960, 121265, 190340, 194024, 242530, 380680, 485060, 751843, 970120, 1503686, 3007372, 3759215, 6014744, 7518430, 15036860, 30073720]

約数ペア:

[(1, 30073720), (2, 15036860), (4, 7518430), (5, 6014744), (8, 3759215), (10, 3007372), (20, 1503686), (31, 970120), (40, 751843), (62, 485060), (79, 380680), (124, 242530), (155, 194024), (158, 190340), (248, 121265), (307, 97960), (310, 97012), (316, 95170), (395, 76136), (614, 48980), (620, 48506), (632, 47585), (790, 38068), (1228, 24490), (1240, 24253), (1535, 19592), (1580, 19034), (2449, 12280), (2456, 12245), (3070, 9796), (3160, 9517), (4898, 6140)]