38644290

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 113368320

約数和(自身を除く): 74724030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 81, 90, 93, 95, 114, 135, 155, 162, 171, 186, 190, 243, 270, 279, 285, 310, 342, 405, 465, 486, 513, 558, 570, 589, 729, 810, 837, 855, 930, 1026, 1178, 1215, 1395, 1458, 1539, 1674, 1710, 1767, 2187, 2430, 2511, 2565, 2790, 2945, 3078, 3534, 3645, 4185, 4374, 4617, 5022, 5130, 5301, 5890, 6561, 7290, 7533, 7695, 8370, 8835, 9234, 10602, 10935, 12555, 13122, 13851, 15066, 15390, 15903, 17670, 21870, 22599, 23085, 25110, 26505, 27702, 31806, 32805, 37665, 41553, 45198, 46170, 47709, 53010, 65610, 67797, 69255, 75330, 79515, 83106, 95418, 112995, 124659, 135594, 138510, 143127, 159030, 203391, 207765, 225990, 238545, 249318, 286254, 338985, 406782, 415530, 429381, 477090, 623295, 677970, 715635, 858762, 1016955, 1246590, 1288143, 1431270, 2033910, 2146905, 2576286, 3864429, 4293810, 6440715, 7728858, 12881430, 19322145, 38644290]

約数ペア:

[(1, 38644290), (2, 19322145), (3, 12881430), (5, 7728858), (6, 6440715), (9, 4293810), (10, 3864429), (15, 2576286), (18, 2146905), (19, 2033910), (27, 1431270), (30, 1288143), (31, 1246590), (38, 1016955), (45, 858762), (54, 715635), (57, 677970), (62, 623295), (81, 477090), (90, 429381), (93, 415530), (95, 406782), (114, 338985), (135, 286254), (155, 249318), (162, 238545), (171, 225990), (186, 207765), (190, 203391), (243, 159030), (270, 143127), (279, 138510), (285, 135594), (310, 124659), (342, 112995), (405, 95418), (465, 83106), (486, 79515), (513, 75330), (558, 69255), (570, 67797), (589, 65610), (729, 53010), (810, 47709), (837, 46170), (855, 45198), (930, 41553), (1026, 37665), (1178, 32805), (1215, 31806), (1395, 27702), (1458, 26505), (1539, 25110), (1674, 23085), (1710, 22599), (1767, 21870), (2187, 17670), (2430, 15903), (2511, 15390), (2565, 15066), (2790, 13851), (2945, 13122), (3078, 12555), (3534, 10935), (3645, 10602), (4185, 9234), (4374, 8835), (4617, 8370), (5022, 7695), (5130, 7533), (5301, 7290), (5890, 6561)]