644003460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{132511}}^1$

素因数の和:132535

約数の個数: 72

約数和(自身を含む): 2025843456

約数和(自身を除く): 1381839996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 132511, 265022, 397533, 530044, 662555, 795066, 1192599, 1325110, 1590132, 1987665, 2385198, 2650220, 3577797, 3975330, 4770396, 5962995, 7155594, 7950660, 10733391, 11925990, 14311188, 17888985, 21466782, 23851980, 32200173, 35777970, 42933564, 53666955, 64400346, 71555940, 107333910, 128800692, 161000865, 214667820, 322001730, 644003460]

約数ペア:

[(1, 644003460), (2, 322001730), (3, 214667820), (4, 161000865), (5, 128800692), (6, 107333910), (9, 71555940), (10, 64400346), (12, 53666955), (15, 42933564), (18, 35777970), (20, 32200173), (27, 23851980), (30, 21466782), (36, 17888985), (45, 14311188), (54, 11925990), (60, 10733391), (81, 7950660), (90, 7155594), (108, 5962995), (135, 4770396), (162, 3975330), (180, 3577797), (243, 2650220), (270, 2385198), (324, 1987665), (405, 1590132), (486, 1325110), (540, 1192599), (810, 795066), (972, 662555), (1215, 530044), (1620, 397533), (2430, 265022), (4860, 132511)]