290519880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 1064448000

約数和(自身を除く): 773928120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 109, 114, 120, 133, 140, 152, 167, 168, 190, 210, 218, 228, 266, 280, 285, 327, 334, 380, 399, 420, 436, 456, 501, 532, 545, 570, 654, 665, 668, 760, 763, 798, 835, 840, 872, 1002, 1064, 1090, 1140, 1169, 1308, 1330, 1336, 1526, 1596, 1635, 1670, 1995, 2004, 2071, 2180, 2280, 2289, 2338, 2505, 2616, 2660, 3052, 3173, 3192, 3270, 3340, 3507, 3815, 3990, 4008, 4142, 4360, 4578, 4676, 5010, 5320, 5845, 6104, 6213, 6346, 6540, 6680, 7014, 7630, 7980, 8284, 9156, 9352, 9519, 10020, 10355, 11445, 11690, 12426, 12692, 13080, 14028, 14497, 15260, 15865, 15960, 16568, 17535, 18203, 18312, 19038, 20040, 20710, 22211, 22890, 23380, 24852, 25384, 28056, 28994, 30520, 31065, 31730, 35070, 36406, 38076, 41420, 43491, 44422, 45780, 46760, 47595, 49704, 54609, 57988, 62130, 63460, 66633, 70140, 72485, 72812, 76152, 82840, 86982, 88844, 91015, 91560, 95190, 109218, 111055, 115976, 124260, 126920, 127421, 133266, 140280, 144970, 145624, 173964, 177688, 182030, 190380, 217455, 218436, 222110, 248520, 254842, 266532, 273045, 289940, 333165, 345857, 347928, 364060, 380760, 382263, 434910, 436872, 444220, 509684, 533064, 546090, 579880, 637105, 666330, 691714, 728120, 764526, 869820, 888440, 1019368, 1037571, 1092180, 1274210, 1332660, 1383428, 1529052, 1729285, 1739640, 1911315, 2075142, 2184360, 2420999, 2548420, 2665320, 2766856, 3058104, 3458570, 3822630, 4150284, 4841998, 5096840, 5187855, 6917140, 7262997, 7645260, 8300568, 9683996, 10375710, 12104995, 13834280, 14525994, 15290520, 19367992, 20751420, 24209990, 29051988, 36314985, 41502840, 48419980, 58103976, 72629970, 96839960, 145259940, 290519880]

約数ペア:

[(1, 290519880), (2, 145259940), (3, 96839960), (4, 72629970), (5, 58103976), (6, 48419980), (7, 41502840), (8, 36314985), (10, 29051988), (12, 24209990), (14, 20751420), (15, 19367992), (19, 15290520), (20, 14525994), (21, 13834280), (24, 12104995), (28, 10375710), (30, 9683996), (35, 8300568), (38, 7645260), (40, 7262997), (42, 6917140), (56, 5187855), (57, 5096840), (60, 4841998), (70, 4150284), (76, 3822630), (84, 3458570), (95, 3058104), (105, 2766856), (109, 2665320), (114, 2548420), (120, 2420999), (133, 2184360), (140, 2075142), (152, 1911315), (167, 1739640), (168, 1729285), (190, 1529052), (210, 1383428), (218, 1332660), (228, 1274210), (266, 1092180), (280, 1037571), (285, 1019368), (327, 888440), (334, 869820), (380, 764526), (399, 728120), (420, 691714), (436, 666330), (456, 637105), (501, 579880), (532, 546090), (545, 533064), (570, 509684), (654, 444220), (665, 436872), (668, 434910), (760, 382263), (763, 380760), (798, 364060), (835, 347928), (840, 345857), (872, 333165), (1002, 289940), (1064, 273045), (1090, 266532), (1140, 254842), (1169, 248520), (1308, 222110), (1330, 218436), (1336, 217455), (1526, 190380), (1596, 182030), (1635, 177688), (1670, 173964), (1995, 145624), (2004, 144970), (2071, 140280), (2180, 133266), (2280, 127421), (2289, 126920), (2338, 124260), (2505, 115976), (2616, 111055), (2660, 109218), (3052, 95190), (3173, 91560), (3192, 91015), (3270, 88844), (3340, 86982), (3507, 82840), (3815, 76152), (3990, 72812), (4008, 72485), (4142, 70140), (4360, 66633), (4578, 63460), (4676, 62130), (5010, 57988), (5320, 54609), (5845, 49704), (6104, 47595), (6213, 46760), (6346, 45780), (6540, 44422), (6680, 43491), (7014, 41420), (7630, 38076), (7980, 36406), (8284, 35070), (9156, 31730), (9352, 31065), (9519, 30520), (10020, 28994), (10355, 28056), (11445, 25384), (11690, 24852), (12426, 23380), (12692, 22890), (13080, 22211), (14028, 20710), (14497, 20040), (15260, 19038), (15865, 18312), (15960, 18203), (16568, 17535)]