1222186780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 2970777600

約数和(自身を除く): 1748590820

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 85, 95, 124, 155, 170, 190, 289, 310, 323, 340, 359, 380, 527, 578, 589, 620, 646, 718, 1054, 1156, 1178, 1292, 1436, 1445, 1615, 1795, 2108, 2356, 2635, 2890, 2945, 3230, 3590, 5270, 5491, 5780, 5890, 6103, 6460, 6821, 7180, 8959, 10013, 10540, 10982, 11129, 11780, 12206, 13642, 17918, 20026, 21964, 22258, 24412, 27284, 27455, 30515, 34105, 35836, 40052, 44516, 44795, 50065, 54910, 55645, 61030, 68210, 89590, 100130, 103751, 109820, 111290, 115957, 122060, 136420, 170221, 179180, 189193, 200260, 207502, 211451, 222580, 231914, 340442, 378386, 415004, 422902, 463828, 518755, 579785, 680884, 756772, 845804, 851105, 945965, 1037510, 1057255, 1159570, 1702210, 1891930, 1971269, 2075020, 2114510, 2319140, 3216281, 3404420, 3594667, 3783860, 3942538, 4229020, 6432562, 7189334, 7885076, 9856345, 12865124, 14378668, 16081405, 17973335, 19712690, 32162810, 35946670, 39425380, 61109339, 64325620, 71893340, 122218678, 244437356, 305546695, 611093390, 1222186780]

約数ペア:

[(1, 1222186780), (2, 611093390), (4, 305546695), (5, 244437356), (10, 122218678), (17, 71893340), (19, 64325620), (20, 61109339), (31, 39425380), (34, 35946670), (38, 32162810), (62, 19712690), (68, 17973335), (76, 16081405), (85, 14378668), (95, 12865124), (124, 9856345), (155, 7885076), (170, 7189334), (190, 6432562), (289, 4229020), (310, 3942538), (323, 3783860), (340, 3594667), (359, 3404420), (380, 3216281), (527, 2319140), (578, 2114510), (589, 2075020), (620, 1971269), (646, 1891930), (718, 1702210), (1054, 1159570), (1156, 1057255), (1178, 1037510), (1292, 945965), (1436, 851105), (1445, 845804), (1615, 756772), (1795, 680884), (2108, 579785), (2356, 518755), (2635, 463828), (2890, 422902), (2945, 415004), (3230, 378386), (3590, 340442), (5270, 231914), (5491, 222580), (5780, 211451), (5890, 207502), (6103, 200260), (6460, 189193), (6821, 179180), (7180, 170221), (8959, 136420), (10013, 122060), (10540, 115957), (10982, 111290), (11129, 109820), (11780, 103751), (12206, 100130), (13642, 89590), (17918, 68210), (20026, 61030), (21964, 55645), (22258, 54910), (24412, 50065), (27284, 44795), (27455, 44516), (30515, 40052), (34105, 35836)]