221296140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5563}}^1$

素因数の和:5608

約数の個数: 144

約数和(自身を含む): 765561888

約数和(自身を除く): 544265748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 5563, 6630, 7956, 9945, 11126, 13260, 16689, 19890, 22252, 27815, 33378, 39780, 50067, 55630, 66756, 72319, 83445, 94571, 100134, 111260, 144638, 166890, 189142, 200268, 216957, 250335, 283713, 289276, 333780, 361595, 378284, 433914, 472855, 500670, 567426, 650871, 723190, 851139, 867828, 945710, 1001340, 1084785, 1134852, 1229423, 1301742, 1418565, 1446380, 1702278, 1891420, 2169570, 2458846, 2603484, 2837130, 3254355, 3404556, 3688269, 4255695, 4339140, 4917692, 5674260, 6147115, 6508710, 7376538, 8511390, 11064807, 12294230, 13017420, 14753076, 17022780, 18441345, 22129614, 24588460, 36882690, 44259228, 55324035, 73765380, 110648070, 221296140]

約数ペア:

[(1, 221296140), (2, 110648070), (3, 73765380), (4, 55324035), (5, 44259228), (6, 36882690), (9, 24588460), (10, 22129614), (12, 18441345), (13, 17022780), (15, 14753076), (17, 13017420), (18, 12294230), (20, 11064807), (26, 8511390), (30, 7376538), (34, 6508710), (36, 6147115), (39, 5674260), (45, 4917692), (51, 4339140), (52, 4255695), (60, 3688269), (65, 3404556), (68, 3254355), (78, 2837130), (85, 2603484), (90, 2458846), (102, 2169570), (117, 1891420), (130, 1702278), (153, 1446380), (156, 1418565), (170, 1301742), (180, 1229423), (195, 1134852), (204, 1084785), (221, 1001340), (234, 945710), (255, 867828), (260, 851139), (306, 723190), (340, 650871), (390, 567426), (442, 500670), (468, 472855), (510, 433914), (585, 378284), (612, 361595), (663, 333780), (765, 289276), (780, 283713), (884, 250335), (1020, 216957), (1105, 200268), (1170, 189142), (1326, 166890), (1530, 144638), (1989, 111260), (2210, 100134), (2340, 94571), (2652, 83445), (3060, 72319), (3315, 66756), (3978, 55630), (4420, 50067), (5563, 39780), (6630, 33378), (7956, 27815), (9945, 22252), (11126, 19890), (13260, 16689)]