1220473360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13163}}^1$

素因数の和:13256

約数の個数: 80

約数和(自身を含む): 3036144960

約数和(自身を除く): 1815671600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 2318, 2440, 4636, 4880, 5795, 9272, 11590, 13163, 18544, 23180, 26326, 46360, 52652, 65815, 92720, 105304, 131630, 210608, 250097, 263260, 500194, 526520, 802943, 1000388, 1053040, 1250485, 1605886, 2000776, 2500970, 3211772, 4001552, 4014715, 5001940, 6423544, 8029430, 10003880, 12847088, 15255917, 16058860, 20007760, 30511834, 32117720, 61023668, 64235440, 76279585, 122047336, 152559170, 244094672, 305118340, 610236680, 1220473360]

約数ペア:

[(1, 1220473360), (2, 610236680), (4, 305118340), (5, 244094672), (8, 152559170), (10, 122047336), (16, 76279585), (19, 64235440), (20, 61023668), (38, 32117720), (40, 30511834), (61, 20007760), (76, 16058860), (80, 15255917), (95, 12847088), (122, 10003880), (152, 8029430), (190, 6423544), (244, 5001940), (304, 4014715), (305, 4001552), (380, 3211772), (488, 2500970), (610, 2000776), (760, 1605886), (976, 1250485), (1159, 1053040), (1220, 1000388), (1520, 802943), (2318, 526520), (2440, 500194), (4636, 263260), (4880, 250097), (5795, 210608), (9272, 131630), (11590, 105304), (13163, 92720), (18544, 65815), (23180, 52652), (26326, 46360)]