1638327720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{593597}}^1$

素因数の和:593634

約数の個数: 64

約数和(自身を含む): 5128686720

約数和(自身を除く): 3490359000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 593597, 1187194, 1780791, 2374388, 2967985, 3561582, 4748776, 5935970, 7123164, 8903955, 11871940, 13652731, 14246328, 17807910, 23743880, 27305462, 35615820, 40958193, 54610924, 68263655, 71231640, 81916386, 109221848, 136527310, 163832772, 204790965, 273054620, 327665544, 409581930, 546109240, 819163860, 1638327720]

約数ペア:

[(1, 1638327720), (2, 819163860), (3, 546109240), (4, 409581930), (5, 327665544), (6, 273054620), (8, 204790965), (10, 163832772), (12, 136527310), (15, 109221848), (20, 81916386), (23, 71231640), (24, 68263655), (30, 54610924), (40, 40958193), (46, 35615820), (60, 27305462), (69, 23743880), (92, 17807910), (115, 14246328), (120, 13652731), (138, 11871940), (184, 8903955), (230, 7123164), (276, 5935970), (345, 4748776), (460, 3561582), (552, 2967985), (690, 2374388), (920, 1780791), (1380, 1187194), (2760, 593597)]