320662550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 680581440

約数和(自身を除く): 359918890

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 89, 115, 130, 178, 230, 241, 299, 325, 445, 482, 575, 598, 650, 890, 1150, 1157, 1205, 1495, 2047, 2225, 2314, 2410, 2990, 3133, 4094, 4450, 5543, 5785, 6025, 6266, 7475, 10235, 11086, 11570, 12050, 14950, 15665, 20470, 21449, 26611, 27715, 28925, 31330, 42898, 51175, 53222, 55430, 57850, 72059, 78325, 102350, 107245, 133055, 138575, 144118, 156650, 214490, 266110, 277150, 278837, 360295, 493327, 536225, 557674, 665275, 720590, 986654, 1072450, 1330550, 1394185, 1801475, 2466635, 2788370, 3602950, 4933270, 6413251, 6970925, 12333175, 12826502, 13941850, 24666350, 32066255, 64132510, 160331275, 320662550]

約数ペア:

[(1, 320662550), (2, 160331275), (5, 64132510), (10, 32066255), (13, 24666350), (23, 13941850), (25, 12826502), (26, 12333175), (46, 6970925), (50, 6413251), (65, 4933270), (89, 3602950), (115, 2788370), (130, 2466635), (178, 1801475), (230, 1394185), (241, 1330550), (299, 1072450), (325, 986654), (445, 720590), (482, 665275), (575, 557674), (598, 536225), (650, 493327), (890, 360295), (1150, 278837), (1157, 277150), (1205, 266110), (1495, 214490), (2047, 156650), (2225, 144118), (2314, 138575), (2410, 133055), (2990, 107245), (3133, 102350), (4094, 78325), (4450, 72059), (5543, 57850), (5785, 55430), (6025, 53222), (6266, 51175), (7475, 42898), (10235, 31330), (11086, 28925), (11570, 27715), (12050, 26611), (14950, 21449), (15665, 20470)]