308085440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2450

約数の個数: 112

約数和(自身を含む): 815888640

約数和(自身を除く): 507803200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2389, 2480, 3224, 4030, 4160, 4778, 4960, 6448, 8060, 9556, 9920, 11945, 12896, 16120, 19112, 23890, 25792, 31057, 32240, 38224, 47780, 62114, 64480, 74059, 76448, 95560, 124228, 128960, 148118, 152896, 155285, 191120, 248456, 296236, 310570, 370295, 382240, 496912, 592472, 621140, 740590, 764480, 962767, 993824, 1184944, 1242280, 1481180, 1925534, 1987648, 2369888, 2484560, 2962360, 3851068, 4739776, 4813835, 4969120, 5924720, 7702136, 9627670, 9938240, 11849440, 15404272, 19255340, 23698880, 30808544, 38510680, 61617088, 77021360, 154042720, 308085440]

約数ペア:

[(1, 308085440), (2, 154042720), (4, 77021360), (5, 61617088), (8, 38510680), (10, 30808544), (13, 23698880), (16, 19255340), (20, 15404272), (26, 11849440), (31, 9938240), (32, 9627670), (40, 7702136), (52, 5924720), (62, 4969120), (64, 4813835), (65, 4739776), (80, 3851068), (104, 2962360), (124, 2484560), (130, 2369888), (155, 1987648), (160, 1925534), (208, 1481180), (248, 1242280), (260, 1184944), (310, 993824), (320, 962767), (403, 764480), (416, 740590), (496, 621140), (520, 592472), (620, 496912), (806, 382240), (832, 370295), (992, 310570), (1040, 296236), (1240, 248456), (1612, 191120), (1984, 155285), (2015, 152896), (2080, 148118), (2389, 128960), (2480, 124228), (3224, 95560), (4030, 76448), (4160, 74059), (4778, 64480), (4960, 62114), (6448, 47780), (8060, 38224), (9556, 32240), (9920, 31057), (11945, 25792), (12896, 23890), (16120, 19112)]