320072760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:990

約数の個数: 192

約数和(自身を含む): 1197892800

約数和(自身を除く): 877820040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 157, 168, 180, 210, 252, 280, 314, 315, 360, 420, 471, 504, 628, 630, 785, 809, 840, 942, 1099, 1256, 1260, 1413, 1570, 1618, 1884, 2198, 2355, 2427, 2520, 2826, 3140, 3236, 3297, 3768, 4045, 4396, 4710, 4854, 5495, 5652, 5663, 6280, 6472, 6594, 7065, 7281, 8090, 8792, 9420, 9708, 9891, 10990, 11304, 11326, 12135, 13188, 14130, 14562, 16180, 16485, 16989, 18840, 19416, 19782, 21980, 22652, 24270, 26376, 28260, 28315, 29124, 32360, 32970, 33978, 36405, 39564, 43960, 45304, 48540, 49455, 50967, 56520, 56630, 58248, 65940, 67956, 72810, 79128, 84945, 97080, 98910, 101934, 113260, 127013, 131880, 135912, 145620, 169890, 197820, 203868, 226520, 254026, 254835, 291240, 339780, 381039, 395640, 407736, 508052, 509670, 635065, 679560, 762078, 889091, 1016104, 1019340, 1143117, 1270130, 1524156, 1778182, 1905195, 2038680, 2286234, 2540260, 2667273, 3048312, 3556364, 3810390, 4445455, 4572468, 5080520, 5334546, 5715585, 7112728, 7620780, 8001819, 8890910, 9144936, 10669092, 11431170, 13336365, 15241560, 16003638, 17781820, 21338184, 22862340, 26672730, 32007276, 35563640, 40009095, 45724680, 53345460, 64014552, 80018190, 106690920, 160036380, 320072760]

約数ペア:

[(1, 320072760), (2, 160036380), (3, 106690920), (4, 80018190), (5, 64014552), (6, 53345460), (7, 45724680), (8, 40009095), (9, 35563640), (10, 32007276), (12, 26672730), (14, 22862340), (15, 21338184), (18, 17781820), (20, 16003638), (21, 15241560), (24, 13336365), (28, 11431170), (30, 10669092), (35, 9144936), (36, 8890910), (40, 8001819), (42, 7620780), (45, 7112728), (56, 5715585), (60, 5334546), (63, 5080520), (70, 4572468), (72, 4445455), (84, 3810390), (90, 3556364), (105, 3048312), (120, 2667273), (126, 2540260), (140, 2286234), (157, 2038680), (168, 1905195), (180, 1778182), (210, 1524156), (252, 1270130), (280, 1143117), (314, 1019340), (315, 1016104), (360, 889091), (420, 762078), (471, 679560), (504, 635065), (628, 509670), (630, 508052), (785, 407736), (809, 395640), (840, 381039), (942, 339780), (1099, 291240), (1256, 254835), (1260, 254026), (1413, 226520), (1570, 203868), (1618, 197820), (1884, 169890), (2198, 145620), (2355, 135912), (2427, 131880), (2520, 127013), (2826, 113260), (3140, 101934), (3236, 98910), (3297, 97080), (3768, 84945), (4045, 79128), (4396, 72810), (4710, 67956), (4854, 65940), (5495, 58248), (5652, 56630), (5663, 56520), (6280, 50967), (6472, 49455), (6594, 48540), (7065, 45304), (7281, 43960), (8090, 39564), (8792, 36405), (9420, 33978), (9708, 32970), (9891, 32360), (10990, 29124), (11304, 28315), (11326, 28260), (12135, 26376), (13188, 24270), (14130, 22652), (14562, 21980), (16180, 19782), (16485, 19416), (16989, 18840)]