1890920280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11681}}^1$

素因数の和:11785

約数の個数: 128

約数和(自身を含む): 6055948800

約数和(自身を除く): 4165028520

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, 5396, 6745, 8094, 8520, 10792, 11681, 13490, 16188, 20235, 23362, 26980, 32376, 35043, 40470, 46724, 53960, 58405, 70086, 80940, 93448, 116810, 140172, 161880, 175215, 221939, 233620, 280344, 350430, 443878, 467240, 665817, 700860, 829351, 887756, 1109695, 1331634, 1401720, 1658702, 1775512, 2219390, 2488053, 2663268, 3317404, 3329085, 4146755, 4438780, 4976106, 5326536, 6634808, 6658170, 8293510, 8877560, 9952212, 12440265, 13316340, 15757669, 16587020, 19904424, 24880530, 26632680, 31515338, 33174040, 47273007, 49761060, 63030676, 78788345, 94546014, 99522120, 126061352, 157576690, 189092028, 236365035, 315153380, 378184056, 472730070, 630306760, 945460140, 1890920280]

約数ペア:

[(1, 1890920280), (2, 945460140), (3, 630306760), (4, 472730070), (5, 378184056), (6, 315153380), (8, 236365035), (10, 189092028), (12, 157576690), (15, 126061352), (19, 99522120), (20, 94546014), (24, 78788345), (30, 63030676), (38, 49761060), (40, 47273007), (57, 33174040), (60, 31515338), (71, 26632680), (76, 24880530), (95, 19904424), (114, 16587020), (120, 15757669), (142, 13316340), (152, 12440265), (190, 9952212), (213, 8877560), (228, 8293510), (284, 6658170), (285, 6634808), (355, 5326536), (380, 4976106), (426, 4438780), (456, 4146755), (568, 3329085), (570, 3317404), (710, 2663268), (760, 2488053), (852, 2219390), (1065, 1775512), (1140, 1658702), (1349, 1401720), (1420, 1331634), (1704, 1109695), (2130, 887756), (2280, 829351), (2698, 700860), (2840, 665817), (4047, 467240), (4260, 443878), (5396, 350430), (6745, 280344), (8094, 233620), (8520, 221939), (10792, 175215), (11681, 161880), (13490, 140172), (16188, 116810), (20235, 93448), (23362, 80940), (26980, 70086), (32376, 58405), (35043, 53960), (40470, 46724)]