1438320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 4812192

約数和(自身を除く): 3373872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 461, 520, 624, 780, 922, 1040, 1383, 1560, 1844, 2305, 2766, 3120, 3688, 4610, 5532, 5993, 6915, 7376, 9220, 11064, 11986, 13830, 17979, 18440, 22128, 23972, 27660, 29965, 35958, 36880, 47944, 55320, 59930, 71916, 89895, 95888, 110640, 119860, 143832, 179790, 239720, 287664, 359580, 479440, 719160, 1438320]

約数ペア:

[(1, 1438320), (2, 719160), (3, 479440), (4, 359580), (5, 287664), (6, 239720), (8, 179790), (10, 143832), (12, 119860), (13, 110640), (15, 95888), (16, 89895), (20, 71916), (24, 59930), (26, 55320), (30, 47944), (39, 36880), (40, 35958), (48, 29965), (52, 27660), (60, 23972), (65, 22128), (78, 18440), (80, 17979), (104, 13830), (120, 11986), (130, 11064), (156, 9220), (195, 7376), (208, 6915), (240, 5993), (260, 5532), (312, 4610), (390, 3688), (461, 3120), (520, 2766), (624, 2305), (780, 1844), (922, 1560), (1040, 1383)]