15923440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 40684896

約数和(自身を除く): 24761456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 251, 260, 305, 488, 502, 520, 610, 793, 976, 1004, 1040, 1220, 1255, 1586, 2008, 2440, 2510, 3172, 3263, 3965, 4016, 4880, 5020, 6344, 6526, 7930, 10040, 12688, 13052, 15311, 15860, 16315, 20080, 26104, 30622, 31720, 32630, 52208, 61244, 63440, 65260, 76555, 122488, 130520, 153110, 199043, 244976, 261040, 306220, 398086, 612440, 796172, 995215, 1224880, 1592344, 1990430, 3184688, 3980860, 7961720, 15923440]

約数ペア:

[(1, 15923440), (2, 7961720), (4, 3980860), (5, 3184688), (8, 1990430), (10, 1592344), (13, 1224880), (16, 995215), (20, 796172), (26, 612440), (40, 398086), (52, 306220), (61, 261040), (65, 244976), (80, 199043), (104, 153110), (122, 130520), (130, 122488), (208, 76555), (244, 65260), (251, 63440), (260, 61244), (305, 52208), (488, 32630), (502, 31720), (520, 30622), (610, 26104), (793, 20080), (976, 16315), (1004, 15860), (1040, 15311), (1220, 13052), (1255, 12688), (1586, 10040), (2008, 7930), (2440, 6526), (2510, 6344), (3172, 5020), (3263, 4880), (3965, 4016)]