30049720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 70489440

約数和(自身を除く): 40439720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 251, 292, 328, 365, 410, 502, 584, 730, 820, 1004, 1255, 1460, 1640, 2008, 2510, 2920, 2993, 5020, 5986, 10040, 10291, 11972, 14965, 18323, 20582, 23944, 29930, 36646, 41164, 51455, 59860, 73292, 82328, 91615, 102910, 119720, 146584, 183230, 205820, 366460, 411640, 732920, 751243, 1502486, 3004972, 3756215, 6009944, 7512430, 15024860, 30049720]

約数ペア:

[(1, 30049720), (2, 15024860), (4, 7512430), (5, 6009944), (8, 3756215), (10, 3004972), (20, 1502486), (40, 751243), (41, 732920), (73, 411640), (82, 366460), (146, 205820), (164, 183230), (205, 146584), (251, 119720), (292, 102910), (328, 91615), (365, 82328), (410, 73292), (502, 59860), (584, 51455), (730, 41164), (820, 36646), (1004, 29930), (1255, 23944), (1460, 20582), (1640, 18323), (2008, 14965), (2510, 11972), (2920, 10291), (2993, 10040), (5020, 5986)]