118560520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 302279040

約数和(自身を除く): 183718520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 67, 82, 83, 104, 130, 134, 164, 166, 205, 260, 268, 328, 332, 335, 410, 415, 520, 533, 536, 664, 670, 820, 830, 871, 1066, 1079, 1340, 1640, 1660, 1742, 2132, 2158, 2665, 2680, 2747, 3320, 3403, 3484, 4264, 4316, 4355, 5330, 5395, 5494, 5561, 6806, 6968, 8632, 8710, 10660, 10790, 10988, 11122, 13612, 13735, 17015, 17420, 21320, 21580, 21976, 22244, 27224, 27470, 27805, 34030, 34840, 35711, 43160, 44239, 44488, 54940, 55610, 68060, 71422, 72293, 88478, 109880, 111220, 136120, 142844, 144586, 176956, 178555, 221195, 222440, 228001, 285688, 289172, 353912, 357110, 361465, 442390, 456002, 578344, 714220, 722930, 884780, 912004, 1140005, 1428440, 1445860, 1769560, 1824008, 2280010, 2891720, 2964013, 4560020, 5928026, 9120040, 11856052, 14820065, 23712104, 29640130, 59280260, 118560520]

約数ペア:

[(1, 118560520), (2, 59280260), (4, 29640130), (5, 23712104), (8, 14820065), (10, 11856052), (13, 9120040), (20, 5928026), (26, 4560020), (40, 2964013), (41, 2891720), (52, 2280010), (65, 1824008), (67, 1769560), (82, 1445860), (83, 1428440), (104, 1140005), (130, 912004), (134, 884780), (164, 722930), (166, 714220), (205, 578344), (260, 456002), (268, 442390), (328, 361465), (332, 357110), (335, 353912), (410, 289172), (415, 285688), (520, 228001), (533, 222440), (536, 221195), (664, 178555), (670, 176956), (820, 144586), (830, 142844), (871, 136120), (1066, 111220), (1079, 109880), (1340, 88478), (1640, 72293), (1660, 71422), (1742, 68060), (2132, 55610), (2158, 54940), (2665, 44488), (2680, 44239), (2747, 43160), (3320, 35711), (3403, 34840), (3484, 34030), (4264, 27805), (4316, 27470), (4355, 27224), (5330, 22244), (5395, 21976), (5494, 21580), (5561, 21320), (6806, 17420), (6968, 17015), (8632, 13735), (8710, 13612), (10660, 11122), (10790, 10988)]