1638752220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1300597}}^1$

素因数の和:1300619

約数の個数: 72

約数和(自身を含む): 5681012064

約数和(自身を除く): 4042259844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1300597, 2601194, 3901791, 5202388, 6502985, 7803582, 9104179, 11705373, 13005970, 15607164, 18208358, 19508955, 23410746, 26011940, 27312537, 36416716, 39017910, 45520895, 46821492, 54625074, 58526865, 78035820, 81937611, 91041790, 109250148, 117053730, 136562685, 163875222, 182083580, 234107460, 273125370, 327750444, 409688055, 546250740, 819376110, 1638752220]

約数ペア:

[(1, 1638752220), (2, 819376110), (3, 546250740), (4, 409688055), (5, 327750444), (6, 273125370), (7, 234107460), (9, 182083580), (10, 163875222), (12, 136562685), (14, 117053730), (15, 109250148), (18, 91041790), (20, 81937611), (21, 78035820), (28, 58526865), (30, 54625074), (35, 46821492), (36, 45520895), (42, 39017910), (45, 36416716), (60, 27312537), (63, 26011940), (70, 23410746), (84, 19508955), (90, 18208358), (105, 15607164), (126, 13005970), (140, 11705373), (180, 9104179), (210, 7803582), (252, 6502985), (315, 5202388), (420, 3901791), (630, 2601194), (1260, 1300597)]