40404780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 136491264

約数和(自身を除く): 96086484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 557, 558, 585, 620, 780, 806, 930, 1114, 1116, 1170, 1209, 1395, 1612, 1671, 1860, 2015, 2228, 2340, 2418, 2785, 2790, 3342, 3627, 4030, 4836, 5013, 5570, 5580, 6045, 6684, 7241, 7254, 8060, 8355, 10026, 11140, 12090, 14482, 14508, 16710, 17267, 18135, 20052, 21723, 24180, 25065, 28964, 33420, 34534, 36205, 36270, 43446, 50130, 51801, 65169, 69068, 72410, 72540, 86335, 86892, 100260, 103602, 108615, 130338, 144820, 155403, 172670, 207204, 217230, 224471, 259005, 260676, 310806, 325845, 345340, 434460, 448942, 518010, 621612, 651690, 673413, 777015, 897884, 1036020, 1122355, 1303380, 1346826, 1554030, 2020239, 2244710, 2693652, 3108060, 3367065, 4040478, 4489420, 6734130, 8080956, 10101195, 13468260, 20202390, 40404780]

約数ペア:

[(1, 40404780), (2, 20202390), (3, 13468260), (4, 10101195), (5, 8080956), (6, 6734130), (9, 4489420), (10, 4040478), (12, 3367065), (13, 3108060), (15, 2693652), (18, 2244710), (20, 2020239), (26, 1554030), (30, 1346826), (31, 1303380), (36, 1122355), (39, 1036020), (45, 897884), (52, 777015), (60, 673413), (62, 651690), (65, 621612), (78, 518010), (90, 448942), (93, 434460), (117, 345340), (124, 325845), (130, 310806), (155, 260676), (156, 259005), (180, 224471), (186, 217230), (195, 207204), (234, 172670), (260, 155403), (279, 144820), (310, 130338), (372, 108615), (390, 103602), (403, 100260), (465, 86892), (468, 86335), (557, 72540), (558, 72410), (585, 69068), (620, 65169), (780, 51801), (806, 50130), (930, 43446), (1114, 36270), (1116, 36205), (1170, 34534), (1209, 33420), (1395, 28964), (1612, 25065), (1671, 24180), (1860, 21723), (2015, 20052), (2228, 18135), (2340, 17267), (2418, 16710), (2785, 14508), (2790, 14482), (3342, 12090), (3627, 11140), (4030, 10026), (4836, 8355), (5013, 8060), (5570, 7254), (5580, 7241), (6045, 6684)]