71220640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 176795136

約数和(自身を除く): 105574496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 83, 124, 155, 160, 166, 173, 248, 310, 332, 346, 415, 496, 620, 664, 692, 830, 865, 992, 1240, 1328, 1384, 1660, 1730, 2480, 2573, 2656, 2768, 3320, 3460, 4960, 5146, 5363, 5536, 6640, 6920, 10292, 10726, 12865, 13280, 13840, 14359, 20584, 21452, 25730, 26815, 27680, 28718, 41168, 42904, 51460, 53630, 57436, 71795, 82336, 85808, 102920, 107260, 114872, 143590, 171616, 205840, 214520, 229744, 287180, 411680, 429040, 445129, 459488, 574360, 858080, 890258, 1148720, 1780516, 2225645, 2297440, 3561032, 4451290, 7122064, 8902580, 14244128, 17805160, 35610320, 71220640]

約数ペア:

[(1, 71220640), (2, 35610320), (4, 17805160), (5, 14244128), (8, 8902580), (10, 7122064), (16, 4451290), (20, 3561032), (31, 2297440), (32, 2225645), (40, 1780516), (62, 1148720), (80, 890258), (83, 858080), (124, 574360), (155, 459488), (160, 445129), (166, 429040), (173, 411680), (248, 287180), (310, 229744), (332, 214520), (346, 205840), (415, 171616), (496, 143590), (620, 114872), (664, 107260), (692, 102920), (830, 85808), (865, 82336), (992, 71795), (1240, 57436), (1328, 53630), (1384, 51460), (1660, 42904), (1730, 41168), (2480, 28718), (2573, 27680), (2656, 26815), (2768, 25730), (3320, 21452), (3460, 20584), (4960, 14359), (5146, 13840), (5363, 13280), (5536, 12865), (6640, 10726), (6920, 10292)]