305790420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1277}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 925803648

約数和(自身を除く): 620013228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 307, 390, 614, 780, 921, 1228, 1277, 1535, 1842, 2554, 3070, 3684, 3831, 3991, 4605, 5108, 6140, 6385, 7662, 7982, 9210, 11973, 12770, 15324, 15964, 16601, 18420, 19155, 19955, 23946, 25540, 33202, 38310, 39910, 47892, 49803, 59865, 66404, 76620, 79820, 83005, 99606, 119730, 166010, 199212, 239460, 249015, 332020, 392039, 498030, 784078, 996060, 1176117, 1568156, 1960195, 2352234, 3920390, 4704468, 5096507, 5880585, 7840780, 10193014, 11761170, 15289521, 20386028, 23522340, 25482535, 30579042, 50965070, 61158084, 76447605, 101930140, 152895210, 305790420]

約数ペア:

[(1, 305790420), (2, 152895210), (3, 101930140), (4, 76447605), (5, 61158084), (6, 50965070), (10, 30579042), (12, 25482535), (13, 23522340), (15, 20386028), (20, 15289521), (26, 11761170), (30, 10193014), (39, 7840780), (52, 5880585), (60, 5096507), (65, 4704468), (78, 3920390), (130, 2352234), (156, 1960195), (195, 1568156), (260, 1176117), (307, 996060), (390, 784078), (614, 498030), (780, 392039), (921, 332020), (1228, 249015), (1277, 239460), (1535, 199212), (1842, 166010), (2554, 119730), (3070, 99606), (3684, 83005), (3831, 79820), (3991, 76620), (4605, 66404), (5108, 59865), (6140, 49803), (6385, 47892), (7662, 39910), (7982, 38310), (9210, 33202), (11973, 25540), (12770, 23946), (15324, 19955), (15964, 19155), (16601, 18420)]