720527880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4451}}^1$

素因数の和:4555

約数の個数: 128

約数和(自身を含む): 2307916800

約数和(自身を除く): 1587388920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 2130, 2280, 2698, 2840, 4047, 4260, 4451, 5396, 6745, 8094, 8520, 8902, 10792, 13353, 13490, 16188, 17804, 20235, 22255, 26706, 26980, 32376, 35608, 40470, 44510, 53412, 53960, 66765, 80940, 84569, 89020, 106824, 133530, 161880, 169138, 178040, 253707, 267060, 316021, 338276, 422845, 507414, 534120, 632042, 676552, 845690, 948063, 1014828, 1264084, 1268535, 1580105, 1691380, 1896126, 2029656, 2528168, 2537070, 3160210, 3382760, 3792252, 4740315, 5074140, 6004399, 6320420, 7584504, 9480630, 10148280, 12008798, 12640840, 18013197, 18961260, 24017596, 30021995, 36026394, 37922520, 48035192, 60043990, 72052788, 90065985, 120087980, 144105576, 180131970, 240175960, 360263940, 720527880]

約数ペア:

[(1, 720527880), (2, 360263940), (3, 240175960), (4, 180131970), (5, 144105576), (6, 120087980), (8, 90065985), (10, 72052788), (12, 60043990), (15, 48035192), (19, 37922520), (20, 36026394), (24, 30021995), (30, 24017596), (38, 18961260), (40, 18013197), (57, 12640840), (60, 12008798), (71, 10148280), (76, 9480630), (95, 7584504), (114, 6320420), (120, 6004399), (142, 5074140), (152, 4740315), (190, 3792252), (213, 3382760), (228, 3160210), (284, 2537070), (285, 2528168), (355, 2029656), (380, 1896126), (426, 1691380), (456, 1580105), (568, 1268535), (570, 1264084), (710, 1014828), (760, 948063), (852, 845690), (1065, 676552), (1140, 632042), (1349, 534120), (1420, 507414), (1704, 422845), (2130, 338276), (2280, 316021), (2698, 267060), (2840, 253707), (4047, 178040), (4260, 169138), (4451, 161880), (5396, 133530), (6745, 106824), (8094, 89020), (8520, 84569), (8902, 80940), (10792, 66765), (13353, 53960), (13490, 53412), (16188, 44510), (17804, 40470), (20235, 35608), (22255, 32376), (26706, 26980)]