21710690040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{448939}}^1$

素因数の和:448997

約数の個数: 128

約数和(自身を含む): 72405043200

約数和(自身を除く): 50694353160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 48360, 448939, 897878, 1346817, 1795756, 2244695, 2693634, 3591512, 4489390, 5387268, 5836207, 6734085, 8978780, 10774536, 11672414, 13468170, 13917109, 17508621, 17957560, 23344828, 26936340, 27834218, 29181035, 35017242, 41751327, 46689656, 53872680, 55668436, 58362070, 69585545, 70034484, 83502654, 87543105, 111336872, 116724140, 139171090, 140068968, 167005308, 175086210, 180922417, 208756635, 233448280, 278342180, 334010616, 350172420, 361844834, 417513270, 542767251, 556684360, 700344840, 723689668, 835026540, 904612085, 1085534502, 1447379336, 1670053080, 1809224170, 2171069004, 2713836255, 3618448340, 4342138008, 5427672510, 7236896680, 10855345020, 21710690040]

約数ペア:

[(1, 21710690040), (2, 10855345020), (3, 7236896680), (4, 5427672510), (5, 4342138008), (6, 3618448340), (8, 2713836255), (10, 2171069004), (12, 1809224170), (13, 1670053080), (15, 1447379336), (20, 1085534502), (24, 904612085), (26, 835026540), (30, 723689668), (31, 700344840), (39, 556684360), (40, 542767251), (52, 417513270), (60, 361844834), (62, 350172420), (65, 334010616), (78, 278342180), (93, 233448280), (104, 208756635), (120, 180922417), (124, 175086210), (130, 167005308), (155, 140068968), (156, 139171090), (186, 116724140), (195, 111336872), (248, 87543105), (260, 83502654), (310, 70034484), (312, 69585545), (372, 58362070), (390, 55668436), (403, 53872680), (465, 46689656), (520, 41751327), (620, 35017242), (744, 29181035), (780, 27834218), (806, 26936340), (930, 23344828), (1209, 17957560), (1240, 17508621), (1560, 13917109), (1612, 13468170), (1860, 11672414), (2015, 10774536), (2418, 8978780), (3224, 6734085), (3720, 5836207), (4030, 5387268), (4836, 4489390), (6045, 3591512), (8060, 2693634), (9672, 2244695), (12090, 1795756), (16120, 1346817), (24180, 897878), (48360, 448939)]