254421960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5319

約数の個数: 128

約数和(自身を含む): 848655360

約数和(自身を除く): 594233400

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, 5261, 6045, 8060, 9672, 10522, 12090, 15783, 16120, 21044, 24180, 26305, 31566, 42088, 48360, 52610, 63132, 68393, 78915, 105220, 126264, 136786, 157830, 163091, 205179, 210440, 273572, 315660, 326182, 341965, 410358, 489273, 547144, 631320, 652364, 683930, 815455, 820716, 978546, 1025895, 1304728, 1367860, 1630910, 1641432, 1957092, 2051790, 2120183, 2446365, 2735720, 3261820, 3914184, 4103580, 4240366, 4892730, 6360549, 6523640, 8207160, 8480732, 9785460, 10600915, 12721098, 16961464, 19570920, 21201830, 25442196, 31802745, 42403660, 50884392, 63605490, 84807320, 127210980, 254421960]

約数ペア:

[(1, 254421960), (2, 127210980), (3, 84807320), (4, 63605490), (5, 50884392), (6, 42403660), (8, 31802745), (10, 25442196), (12, 21201830), (13, 19570920), (15, 16961464), (20, 12721098), (24, 10600915), (26, 9785460), (30, 8480732), (31, 8207160), (39, 6523640), (40, 6360549), (52, 4892730), (60, 4240366), (62, 4103580), (65, 3914184), (78, 3261820), (93, 2735720), (104, 2446365), (120, 2120183), (124, 2051790), (130, 1957092), (155, 1641432), (156, 1630910), (186, 1367860), (195, 1304728), (248, 1025895), (260, 978546), (310, 820716), (312, 815455), (372, 683930), (390, 652364), (403, 631320), (465, 547144), (520, 489273), (620, 410358), (744, 341965), (780, 326182), (806, 315660), (930, 273572), (1209, 210440), (1240, 205179), (1560, 163091), (1612, 157830), (1860, 136786), (2015, 126264), (2418, 105220), (3224, 78915), (3720, 68393), (4030, 63132), (4836, 52610), (5261, 48360), (6045, 42088), (8060, 31566), (9672, 26305), (10522, 24180), (12090, 21044), (15783, 16120)]