678155220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:615

約数の個数: 192

約数和(自身を含む): 2240313600

約数和(自身を除く): 1562158380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 157, 171, 180, 190, 228, 270, 285, 314, 342, 380, 421, 471, 513, 540, 570, 628, 684, 785, 842, 855, 942, 1026, 1140, 1263, 1413, 1570, 1684, 1710, 1884, 2052, 2105, 2355, 2526, 2565, 2826, 2983, 3140, 3420, 3789, 4210, 4239, 4710, 5052, 5130, 5652, 5966, 6315, 7065, 7578, 7999, 8420, 8478, 8949, 9420, 10260, 11367, 11932, 12630, 14130, 14915, 15156, 15998, 16956, 17898, 18945, 21195, 22734, 23997, 25260, 26847, 28260, 29830, 31996, 35796, 37890, 39995, 42390, 44745, 45468, 47994, 53694, 56835, 59660, 66097, 71991, 75780, 79990, 80541, 84780, 89490, 95988, 107388, 113670, 119985, 132194, 134235, 143982, 159980, 161082, 178980, 198291, 215973, 227340, 239970, 264388, 268470, 287964, 322164, 330485, 359955, 396582, 402705, 431946, 479940, 536940, 594873, 660970, 719910, 793164, 805410, 863892, 991455, 1079865, 1189746, 1255843, 1321940, 1439820, 1610820, 1784619, 1982910, 2159730, 2379492, 2511686, 2974365, 3569238, 3767529, 3965820, 4319460, 5023372, 5948730, 6279215, 7138476, 7535058, 8923095, 11302587, 11897460, 12558430, 15070116, 17846190, 18837645, 22605174, 25116860, 33907761, 35692380, 37675290, 45210348, 56512935, 67815522, 75350580, 113025870, 135631044, 169538805, 226051740, 339077610, 678155220]

約数ペア:

[(1, 678155220), (2, 339077610), (3, 226051740), (4, 169538805), (5, 135631044), (6, 113025870), (9, 75350580), (10, 67815522), (12, 56512935), (15, 45210348), (18, 37675290), (19, 35692380), (20, 33907761), (27, 25116860), (30, 22605174), (36, 18837645), (38, 17846190), (45, 15070116), (54, 12558430), (57, 11897460), (60, 11302587), (76, 8923095), (90, 7535058), (95, 7138476), (108, 6279215), (114, 5948730), (135, 5023372), (157, 4319460), (171, 3965820), (180, 3767529), (190, 3569238), (228, 2974365), (270, 2511686), (285, 2379492), (314, 2159730), (342, 1982910), (380, 1784619), (421, 1610820), (471, 1439820), (513, 1321940), (540, 1255843), (570, 1189746), (628, 1079865), (684, 991455), (785, 863892), (842, 805410), (855, 793164), (942, 719910), (1026, 660970), (1140, 594873), (1263, 536940), (1413, 479940), (1570, 431946), (1684, 402705), (1710, 396582), (1884, 359955), (2052, 330485), (2105, 322164), (2355, 287964), (2526, 268470), (2565, 264388), (2826, 239970), (2983, 227340), (3140, 215973), (3420, 198291), (3789, 178980), (4210, 161082), (4239, 159980), (4710, 143982), (5052, 134235), (5130, 132194), (5652, 119985), (5966, 113670), (6315, 107388), (7065, 95988), (7578, 89490), (7999, 84780), (8420, 80541), (8478, 79990), (8949, 75780), (9420, 71991), (10260, 66097), (11367, 59660), (11932, 56835), (12630, 53694), (14130, 47994), (14915, 45468), (15156, 44745), (15998, 42390), (16956, 39995), (17898, 37890), (18945, 35796), (21195, 31996), (22734, 29830), (23997, 28260), (25260, 26847)]