1627889220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{475991}}^1$

素因数の和:476025

約数の個数: 72

約数和(自身を含む): 5197832640

約数和(自身を除く): 3569943420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 475991, 951982, 1427973, 1903964, 2379955, 2855946, 4283919, 4759910, 5711892, 7139865, 8567838, 9043829, 9519820, 14279730, 17135676, 18087658, 21419595, 27131487, 28559460, 36175316, 42839190, 45219145, 54262974, 81394461, 85678380, 90438290, 108525948, 135657435, 162788922, 180876580, 271314870, 325577844, 406972305, 542629740, 813944610, 1627889220]

約数ペア:

[(1, 1627889220), (2, 813944610), (3, 542629740), (4, 406972305), (5, 325577844), (6, 271314870), (9, 180876580), (10, 162788922), (12, 135657435), (15, 108525948), (18, 90438290), (19, 85678380), (20, 81394461), (30, 54262974), (36, 45219145), (38, 42839190), (45, 36175316), (57, 28559460), (60, 27131487), (76, 21419595), (90, 18087658), (95, 17135676), (114, 14279730), (171, 9519820), (180, 9043829), (190, 8567838), (228, 7139865), (285, 5711892), (342, 4759910), (380, 4283919), (570, 2855946), (684, 2379955), (855, 1903964), (1140, 1427973), (1710, 951982), (3420, 475991)]