686660760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 256

約数和(自身を含む): 2439360000

約数和(自身を除く): 1752699240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 109, 114, 120, 135, 152, 171, 180, 190, 216, 218, 228, 270, 285, 307, 327, 342, 360, 380, 436, 456, 513, 540, 545, 570, 614, 654, 684, 760, 855, 872, 921, 981, 1026, 1080, 1090, 1140, 1228, 1308, 1368, 1535, 1635, 1710, 1842, 1962, 2052, 2071, 2180, 2280, 2456, 2565, 2616, 2763, 2943, 3070, 3270, 3420, 3684, 3924, 4104, 4142, 4360, 4605, 4905, 5130, 5526, 5833, 5886, 6140, 6213, 6540, 6840, 7368, 7848, 8284, 8289, 9210, 9810, 10260, 10355, 11052, 11666, 11772, 12280, 12426, 13080, 13815, 14715, 16568, 16578, 17499, 18420, 18639, 19620, 20520, 20710, 22104, 23332, 23544, 24852, 27630, 29165, 29430, 31065, 33156, 33463, 34998, 36840, 37278, 39240, 41420, 41445, 46664, 49704, 52497, 55260, 55917, 58330, 58860, 62130, 66312, 66926, 69996, 74556, 82840, 82890, 87495, 93195, 100389, 104994, 110520, 111834, 116660, 117720, 124260, 133852, 139992, 149112, 157491, 165780, 167315, 174990, 186390, 200778, 209988, 223668, 233320, 248520, 262485, 267704, 279585, 301167, 314982, 331560, 334630, 349980, 372780, 401556, 419976, 447336, 501945, 524970, 559170, 602334, 629964, 635797, 669260, 699960, 745560, 787455, 803112, 903501, 1003890, 1049940, 1118340, 1204668, 1259928, 1271594, 1338520, 1505835, 1574910, 1807002, 1907391, 2007780, 2099880, 2236680, 2409336, 2543188, 3011670, 3149820, 3178985, 3614004, 3814782, 4015560, 4517505, 5086376, 5722173, 6023340, 6299640, 6357970, 7228008, 7629564, 9035010, 9536955, 11444346, 12046680, 12715940, 15259128, 17166519, 18070020, 19073910, 22888692, 25431880, 28610865, 34333038, 36140040, 38147820, 45777384, 57221730, 68666076, 76295640, 85832595, 114443460, 137332152, 171665190, 228886920, 343330380, 686660760]

約数ペア:

[(1, 686660760), (2, 343330380), (3, 228886920), (4, 171665190), (5, 137332152), (6, 114443460), (8, 85832595), (9, 76295640), (10, 68666076), (12, 57221730), (15, 45777384), (18, 38147820), (19, 36140040), (20, 34333038), (24, 28610865), (27, 25431880), (30, 22888692), (36, 19073910), (38, 18070020), (40, 17166519), (45, 15259128), (54, 12715940), (57, 12046680), (60, 11444346), (72, 9536955), (76, 9035010), (90, 7629564), (95, 7228008), (108, 6357970), (109, 6299640), (114, 6023340), (120, 5722173), (135, 5086376), (152, 4517505), (171, 4015560), (180, 3814782), (190, 3614004), (216, 3178985), (218, 3149820), (228, 3011670), (270, 2543188), (285, 2409336), (307, 2236680), (327, 2099880), (342, 2007780), (360, 1907391), (380, 1807002), (436, 1574910), (456, 1505835), (513, 1338520), (540, 1271594), (545, 1259928), (570, 1204668), (614, 1118340), (654, 1049940), (684, 1003890), (760, 903501), (855, 803112), (872, 787455), (921, 745560), (981, 699960), (1026, 669260), (1080, 635797), (1090, 629964), (1140, 602334), (1228, 559170), (1308, 524970), (1368, 501945), (1535, 447336), (1635, 419976), (1710, 401556), (1842, 372780), (1962, 349980), (2052, 334630), (2071, 331560), (2180, 314982), (2280, 301167), (2456, 279585), (2565, 267704), (2616, 262485), (2763, 248520), (2943, 233320), (3070, 223668), (3270, 209988), (3420, 200778), (3684, 186390), (3924, 174990), (4104, 167315), (4142, 165780), (4360, 157491), (4605, 149112), (4905, 139992), (5130, 133852), (5526, 124260), (5833, 117720), (5886, 116660), (6140, 111834), (6213, 110520), (6540, 104994), (6840, 100389), (7368, 93195), (7848, 87495), (8284, 82890), (8289, 82840), (9210, 74556), (9810, 69996), (10260, 66926), (10355, 66312), (11052, 62130), (11666, 58860), (11772, 58330), (12280, 55917), (12426, 55260), (13080, 52497), (13815, 49704), (14715, 46664), (16568, 41445), (16578, 41420), (17499, 39240), (18420, 37278), (18639, 36840), (19620, 34998), (20520, 33463), (20710, 33156), (22104, 31065), (23332, 29430), (23544, 29165), (24852, 27630)]