20628079080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1951}}^1$

素因数の和:2320

約数の個数: 256

約数和(自身を含む): 72723087360

約数和(自身を除く): 52095008280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 307, 328, 410, 420, 492, 574, 614, 615, 820, 840, 861, 921, 984, 1148, 1228, 1230, 1435, 1535, 1640, 1722, 1842, 1951, 2149, 2296, 2456, 2460, 2870, 3070, 3444, 3684, 3902, 4298, 4305, 4605, 4920, 5740, 5853, 6140, 6447, 6888, 7368, 7804, 8596, 8610, 9210, 9755, 10745, 11480, 11706, 12280, 12587, 12894, 13657, 15608, 17192, 17220, 18420, 19510, 21490, 23412, 25174, 25788, 27314, 29265, 32235, 34440, 36840, 37761, 39020, 40971, 42980, 46824, 50348, 51576, 54628, 58530, 62935, 64470, 68285, 75522, 78040, 79991, 81942, 85960, 88109, 100696, 109256, 117060, 125870, 128940, 136570, 151044, 159982, 163884, 176218, 188805, 204855, 234120, 239973, 251740, 257880, 264327, 273140, 302088, 319964, 327768, 352436, 377610, 399955, 409710, 440545, 479946, 503480, 528654, 546280, 559937, 598957, 639928, 704872, 755220, 799910, 819420, 881090, 959892, 1057308, 1119874, 1197914, 1199865, 1321635, 1510440, 1599820, 1638840, 1679811, 1762180, 1796871, 1919784, 2114616, 2239748, 2395828, 2399730, 2643270, 2799685, 2994785, 3199640, 3359622, 3524360, 3593742, 4192699, 4479496, 4791656, 4799460, 5286540, 5599370, 5989570, 6719244, 7187484, 8385398, 8399055, 8984355, 9598920, 10573080, 11198740, 11979140, 12578097, 13438488, 14374968, 16770796, 16798110, 17968710, 20963495, 22397480, 23958280, 24557237, 25156194, 33541592, 33596220, 35937420, 41926990, 49114474, 50312388, 62890485, 67192440, 71874840, 73671711, 83853980, 98228948, 100624776, 122786185, 125780970, 147343422, 167707960, 171900659, 196457896, 245572370, 251561940, 294686844, 343801318, 368358555, 491144740, 503123880, 515701977, 589373688, 687602636, 736717110, 859503295, 982289480, 1031403954, 1375205272, 1473434220, 1719006590, 2062807908, 2578509885, 2946868440, 3438013180, 4125615816, 5157019770, 6876026360, 10314039540, 20628079080]

約数ペア:

[(1, 20628079080), (2, 10314039540), (3, 6876026360), (4, 5157019770), (5, 4125615816), (6, 3438013180), (7, 2946868440), (8, 2578509885), (10, 2062807908), (12, 1719006590), (14, 1473434220), (15, 1375205272), (20, 1031403954), (21, 982289480), (24, 859503295), (28, 736717110), (30, 687602636), (35, 589373688), (40, 515701977), (41, 503123880), (42, 491144740), (56, 368358555), (60, 343801318), (70, 294686844), (82, 251561940), (84, 245572370), (105, 196457896), (120, 171900659), (123, 167707960), (140, 147343422), (164, 125780970), (168, 122786185), (205, 100624776), (210, 98228948), (246, 83853980), (280, 73671711), (287, 71874840), (307, 67192440), (328, 62890485), (410, 50312388), (420, 49114474), (492, 41926990), (574, 35937420), (614, 33596220), (615, 33541592), (820, 25156194), (840, 24557237), (861, 23958280), (921, 22397480), (984, 20963495), (1148, 17968710), (1228, 16798110), (1230, 16770796), (1435, 14374968), (1535, 13438488), (1640, 12578097), (1722, 11979140), (1842, 11198740), (1951, 10573080), (2149, 9598920), (2296, 8984355), (2456, 8399055), (2460, 8385398), (2870, 7187484), (3070, 6719244), (3444, 5989570), (3684, 5599370), (3902, 5286540), (4298, 4799460), (4305, 4791656), (4605, 4479496), (4920, 4192699), (5740, 3593742), (5853, 3524360), (6140, 3359622), (6447, 3199640), (6888, 2994785), (7368, 2799685), (7804, 2643270), (8596, 2399730), (8610, 2395828), (9210, 2239748), (9755, 2114616), (10745, 1919784), (11480, 1796871), (11706, 1762180), (12280, 1679811), (12587, 1638840), (12894, 1599820), (13657, 1510440), (15608, 1321635), (17192, 1199865), (17220, 1197914), (18420, 1119874), (19510, 1057308), (21490, 959892), (23412, 881090), (25174, 819420), (25788, 799910), (27314, 755220), (29265, 704872), (32235, 639928), (34440, 598957), (36840, 559937), (37761, 546280), (39020, 528654), (40971, 503480), (42980, 479946), (46824, 440545), (50348, 409710), (51576, 399955), (54628, 377610), (58530, 352436), (62935, 327768), (64470, 319964), (68285, 302088), (75522, 273140), (78040, 264327), (79991, 257880), (81942, 251740), (85960, 239973), (88109, 234120), (100696, 204855), (109256, 188805), (117060, 176218), (125870, 163884), (128940, 159982), (136570, 151044)]