17958420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 58968000

約数和(自身を除く): 41009580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 89, 90, 95, 114, 118, 171, 177, 178, 180, 190, 228, 236, 267, 285, 295, 342, 354, 356, 380, 445, 531, 534, 570, 590, 684, 708, 801, 855, 885, 890, 1062, 1068, 1121, 1140, 1180, 1335, 1602, 1691, 1710, 1770, 1780, 2124, 2242, 2655, 2670, 3204, 3363, 3382, 3420, 3540, 4005, 4484, 5073, 5251, 5310, 5340, 5605, 6726, 6764, 8010, 8455, 10089, 10146, 10502, 10620, 11210, 13452, 15219, 15753, 16020, 16815, 16910, 20178, 20292, 21004, 22420, 25365, 26255, 30438, 31506, 33630, 33820, 40356, 47259, 50445, 50730, 52510, 60876, 63012, 67260, 76095, 78765, 94518, 99769, 100890, 101460, 105020, 152190, 157530, 189036, 199538, 201780, 236295, 299307, 304380, 315060, 399076, 472590, 498845, 598614, 897921, 945180, 997690, 1197228, 1496535, 1795842, 1995380, 2993070, 3591684, 4489605, 5986140, 8979210, 17958420]

約数ペア:

[(1, 17958420), (2, 8979210), (3, 5986140), (4, 4489605), (5, 3591684), (6, 2993070), (9, 1995380), (10, 1795842), (12, 1496535), (15, 1197228), (18, 997690), (19, 945180), (20, 897921), (30, 598614), (36, 498845), (38, 472590), (45, 399076), (57, 315060), (59, 304380), (60, 299307), (76, 236295), (89, 201780), (90, 199538), (95, 189036), (114, 157530), (118, 152190), (171, 105020), (177, 101460), (178, 100890), (180, 99769), (190, 94518), (228, 78765), (236, 76095), (267, 67260), (285, 63012), (295, 60876), (342, 52510), (354, 50730), (356, 50445), (380, 47259), (445, 40356), (531, 33820), (534, 33630), (570, 31506), (590, 30438), (684, 26255), (708, 25365), (801, 22420), (855, 21004), (885, 20292), (890, 20178), (1062, 16910), (1068, 16815), (1121, 16020), (1140, 15753), (1180, 15219), (1335, 13452), (1602, 11210), (1691, 10620), (1710, 10502), (1770, 10146), (1780, 10089), (2124, 8455), (2242, 8010), (2655, 6764), (2670, 6726), (3204, 5605), (3363, 5340), (3382, 5310), (3420, 5251), (3540, 5073), (4005, 4484)]