80421900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 144

約数和(自身を含む): 265545504

約数和(自身を除く): 185123604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 325, 340, 390, 425, 442, 510, 650, 663, 780, 850, 884, 975, 1020, 1105, 1213, 1275, 1300, 1326, 1700, 1950, 2210, 2426, 2550, 2652, 3315, 3639, 3900, 4420, 4852, 5100, 5525, 6065, 6630, 7278, 11050, 12130, 13260, 14556, 15769, 16575, 18195, 20621, 22100, 24260, 30325, 31538, 33150, 36390, 41242, 47307, 60650, 61863, 63076, 66300, 72780, 78845, 82484, 90975, 94614, 103105, 121300, 123726, 157690, 181950, 189228, 206210, 236535, 247452, 268073, 309315, 315380, 363900, 394225, 412420, 473070, 515525, 536146, 618630, 788450, 804219, 946140, 1031050, 1072292, 1182675, 1237260, 1340365, 1546575, 1576900, 1608438, 2062100, 2365350, 2680730, 3093150, 3216876, 4021095, 4730700, 5361460, 6186300, 6701825, 8042190, 13403650, 16084380, 20105475, 26807300, 40210950, 80421900]

約数ペア:

[(1, 80421900), (2, 40210950), (3, 26807300), (4, 20105475), (5, 16084380), (6, 13403650), (10, 8042190), (12, 6701825), (13, 6186300), (15, 5361460), (17, 4730700), (20, 4021095), (25, 3216876), (26, 3093150), (30, 2680730), (34, 2365350), (39, 2062100), (50, 1608438), (51, 1576900), (52, 1546575), (60, 1340365), (65, 1237260), (68, 1182675), (75, 1072292), (78, 1031050), (85, 946140), (100, 804219), (102, 788450), (130, 618630), (150, 536146), (156, 515525), (170, 473070), (195, 412420), (204, 394225), (221, 363900), (255, 315380), (260, 309315), (300, 268073), (325, 247452), (340, 236535), (390, 206210), (425, 189228), (442, 181950), (510, 157690), (650, 123726), (663, 121300), (780, 103105), (850, 94614), (884, 90975), (975, 82484), (1020, 78845), (1105, 72780), (1213, 66300), (1275, 63076), (1300, 61863), (1326, 60650), (1700, 47307), (1950, 41242), (2210, 36390), (2426, 33150), (2550, 31538), (2652, 30325), (3315, 24260), (3639, 22100), (3900, 20621), (4420, 18195), (4852, 16575), (5100, 15769), (5525, 14556), (6065, 13260), (6630, 12130), (7278, 11050)]