681036720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31183}}^1$

素因数の和:31219

約数の個数: 160

約数和(自身を含む): 2598500352

約数和(自身を除く): 1917463632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 31183, 62366, 93549, 124732, 155915, 187098, 218281, 249464, 311830, 374196, 405379, 436562, 467745, 498928, 623660, 654843, 748392, 810758, 873124, 935490, 1091405, 1216137, 1247320, 1309686, 1496784, 1621516, 1746248, 1870980, 2026895, 2182810, 2432274, 2494640, 2619372, 2837653, 3243032, 3274215, 3492496, 3741960, 4053790, 4365620, 4864548, 5238744, 5675306, 6080685, 6486064, 6548430, 7483920, 8107580, 8512959, 8731240, 9729096, 10477488, 11350612, 12161370, 13096860, 14188265, 16215160, 17025918, 17462480, 19458192, 22701224, 24322740, 26193720, 28376530, 32430320, 34051836, 42564795, 45402448, 48645480, 52387440, 56753060, 68103672, 85129590, 97290960, 113506120, 136207344, 170259180, 227012240, 340518360, 681036720]

約数ペア:

[(1, 681036720), (2, 340518360), (3, 227012240), (4, 170259180), (5, 136207344), (6, 113506120), (7, 97290960), (8, 85129590), (10, 68103672), (12, 56753060), (13, 52387440), (14, 48645480), (15, 45402448), (16, 42564795), (20, 34051836), (21, 32430320), (24, 28376530), (26, 26193720), (28, 24322740), (30, 22701224), (35, 19458192), (39, 17462480), (40, 17025918), (42, 16215160), (48, 14188265), (52, 13096860), (56, 12161370), (60, 11350612), (65, 10477488), (70, 9729096), (78, 8731240), (80, 8512959), (84, 8107580), (91, 7483920), (104, 6548430), (105, 6486064), (112, 6080685), (120, 5675306), (130, 5238744), (140, 4864548), (156, 4365620), (168, 4053790), (182, 3741960), (195, 3492496), (208, 3274215), (210, 3243032), (240, 2837653), (260, 2619372), (273, 2494640), (280, 2432274), (312, 2182810), (336, 2026895), (364, 1870980), (390, 1746248), (420, 1621516), (455, 1496784), (520, 1309686), (546, 1247320), (560, 1216137), (624, 1091405), (728, 935490), (780, 873124), (840, 810758), (910, 748392), (1040, 654843), (1092, 623660), (1365, 498928), (1456, 467745), (1560, 436562), (1680, 405379), (1820, 374196), (2184, 311830), (2730, 249464), (3120, 218281), (3640, 187098), (4368, 155915), (5460, 124732), (7280, 93549), (10920, 62366), (21840, 31183)]