216992560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1483}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 529966080

約数和(自身を除く): 312973520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1483, 1829, 2360, 2480, 2966, 3658, 4720, 5932, 7316, 7415, 9145, 11864, 14632, 14830, 18290, 23728, 29264, 29660, 36580, 45973, 59320, 73160, 87497, 91946, 118640, 146320, 174994, 183892, 229865, 349988, 367784, 437485, 459730, 699976, 735568, 874970, 919460, 1399952, 1749940, 1838920, 2712407, 3499880, 3677840, 5424814, 6999760, 10849628, 13562035, 21699256, 27124070, 43398512, 54248140, 108496280, 216992560]

約数ペア:

[(1, 216992560), (2, 108496280), (4, 54248140), (5, 43398512), (8, 27124070), (10, 21699256), (16, 13562035), (20, 10849628), (31, 6999760), (40, 5424814), (59, 3677840), (62, 3499880), (80, 2712407), (118, 1838920), (124, 1749940), (155, 1399952), (236, 919460), (248, 874970), (295, 735568), (310, 699976), (472, 459730), (496, 437485), (590, 367784), (620, 349988), (944, 229865), (1180, 183892), (1240, 174994), (1483, 146320), (1829, 118640), (2360, 91946), (2480, 87497), (2966, 73160), (3658, 59320), (4720, 45973), (5932, 36580), (7316, 29660), (7415, 29264), (9145, 23728), (11864, 18290), (14632, 14830)]