84315040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 124703840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 191, 248, 310, 356, 382, 445, 496, 620, 712, 764, 890, 955, 992, 1240, 1424, 1528, 1780, 1910, 2480, 2759, 2848, 3056, 3560, 3820, 4960, 5518, 5921, 6112, 7120, 7640, 11036, 11842, 13795, 14240, 15280, 16999, 22072, 23684, 27590, 29605, 30560, 33998, 44144, 47368, 55180, 59210, 67996, 84995, 88288, 94736, 110360, 118420, 135992, 169990, 189472, 220720, 236840, 271984, 339980, 441440, 473680, 526969, 543968, 679960, 947360, 1053938, 1359920, 2107876, 2634845, 2719840, 4215752, 5269690, 8431504, 10539380, 16863008, 21078760, 42157520, 84315040]

約数ペア:

[(1, 84315040), (2, 42157520), (4, 21078760), (5, 16863008), (8, 10539380), (10, 8431504), (16, 5269690), (20, 4215752), (31, 2719840), (32, 2634845), (40, 2107876), (62, 1359920), (80, 1053938), (89, 947360), (124, 679960), (155, 543968), (160, 526969), (178, 473680), (191, 441440), (248, 339980), (310, 271984), (356, 236840), (382, 220720), (445, 189472), (496, 169990), (620, 135992), (712, 118420), (764, 110360), (890, 94736), (955, 88288), (992, 84995), (1240, 67996), (1424, 59210), (1528, 55180), (1780, 47368), (1910, 44144), (2480, 33998), (2759, 30560), (2848, 29605), (3056, 27590), (3560, 23684), (3820, 22072), (4960, 16999), (5518, 15280), (5921, 14240), (6112, 13795), (7120, 11842), (7640, 11036)]