1927740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 5760720

約数和(自身を除く): 3832980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 228, 267, 285, 356, 361, 380, 445, 534, 570, 722, 890, 1068, 1083, 1140, 1335, 1444, 1691, 1780, 1805, 2166, 2670, 3382, 3610, 4332, 5073, 5340, 5415, 6764, 7220, 8455, 10146, 10830, 16910, 20292, 21660, 25365, 32129, 33820, 50730, 64258, 96387, 101460, 128516, 160645, 192774, 321290, 385548, 481935, 642580, 963870, 1927740]

約数ペア:

[(1, 1927740), (2, 963870), (3, 642580), (4, 481935), (5, 385548), (6, 321290), (10, 192774), (12, 160645), (15, 128516), (19, 101460), (20, 96387), (30, 64258), (38, 50730), (57, 33820), (60, 32129), (76, 25365), (89, 21660), (95, 20292), (114, 16910), (178, 10830), (190, 10146), (228, 8455), (267, 7220), (285, 6764), (356, 5415), (361, 5340), (380, 5073), (445, 4332), (534, 3610), (570, 3382), (722, 2670), (890, 2166), (1068, 1805), (1083, 1780), (1140, 1691), (1335, 1444)]