217616880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3719

約数の個数: 160

約数和(自身を含む): 764951040

約数和(自身を除く): 547334160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3671, 3705, 3952, 4560, 4940, 5928, 7342, 7410, 9880, 11013, 11856, 14684, 14820, 18355, 19760, 22026, 29368, 29640, 36710, 44052, 47723, 55065, 58736, 59280, 69749, 73420, 88104, 95446, 110130, 139498, 143169, 146840, 176208, 190892, 209247, 220260, 238615, 278996, 286338, 293680, 348745, 381784, 418494, 440520, 477230, 557992, 572676, 697490, 715845, 763568, 836988, 881040, 906737, 954460, 1046235, 1115984, 1145352, 1394980, 1431690, 1673976, 1813474, 1908920, 2092470, 2290704, 2720211, 2789960, 2863380, 3347952, 3626948, 3817840, 4184940, 4533685, 5440422, 5579920, 5726760, 7253896, 8369880, 9067370, 10880844, 11453520, 13601055, 14507792, 16739760, 18134740, 21761688, 27202110, 36269480, 43523376, 54404220, 72538960, 108808440, 217616880]

約数ペア:

[(1, 217616880), (2, 108808440), (3, 72538960), (4, 54404220), (5, 43523376), (6, 36269480), (8, 27202110), (10, 21761688), (12, 18134740), (13, 16739760), (15, 14507792), (16, 13601055), (19, 11453520), (20, 10880844), (24, 9067370), (26, 8369880), (30, 7253896), (38, 5726760), (39, 5579920), (40, 5440422), (48, 4533685), (52, 4184940), (57, 3817840), (60, 3626948), (65, 3347952), (76, 2863380), (78, 2789960), (80, 2720211), (95, 2290704), (104, 2092470), (114, 1908920), (120, 1813474), (130, 1673976), (152, 1431690), (156, 1394980), (190, 1145352), (195, 1115984), (208, 1046235), (228, 954460), (240, 906737), (247, 881040), (260, 836988), (285, 763568), (304, 715845), (312, 697490), (380, 572676), (390, 557992), (456, 477230), (494, 440520), (520, 418494), (570, 381784), (624, 348745), (741, 293680), (760, 286338), (780, 278996), (912, 238615), (988, 220260), (1040, 209247), (1140, 190892), (1235, 176208), (1482, 146840), (1520, 143169), (1560, 139498), (1976, 110130), (2280, 95446), (2470, 88104), (2964, 73420), (3120, 69749), (3671, 59280), (3705, 58736), (3952, 55065), (4560, 47723), (4940, 44052), (5928, 36710), (7342, 29640), (7410, 29368), (9880, 22026), (11013, 19760), (11856, 18355), (14684, 14820)]