261076140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6563}}^1$

素因数の和:6608

約数の個数: 144

約数和(自身を含む): 903153888

約数和(自身を除く): 642077748

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, 6563, 6630, 7956, 9945, 13126, 13260, 19689, 19890, 26252, 32815, 39378, 39780, 59067, 65630, 78756, 85319, 98445, 111571, 118134, 131260, 170638, 196890, 223142, 236268, 255957, 295335, 334713, 341276, 393780, 426595, 446284, 511914, 557855, 590670, 669426, 767871, 853190, 1004139, 1023828, 1115710, 1181340, 1279785, 1338852, 1450423, 1535742, 1673565, 1706380, 2008278, 2231420, 2559570, 2900846, 3071484, 3347130, 3839355, 4016556, 4351269, 5020695, 5119140, 5801692, 6694260, 7252115, 7678710, 8702538, 10041390, 13053807, 14504230, 15357420, 17405076, 20082780, 21756345, 26107614, 29008460, 43512690, 52215228, 65269035, 87025380, 130538070, 261076140]

約数ペア:

[(1, 261076140), (2, 130538070), (3, 87025380), (4, 65269035), (5, 52215228), (6, 43512690), (9, 29008460), (10, 26107614), (12, 21756345), (13, 20082780), (15, 17405076), (17, 15357420), (18, 14504230), (20, 13053807), (26, 10041390), (30, 8702538), (34, 7678710), (36, 7252115), (39, 6694260), (45, 5801692), (51, 5119140), (52, 5020695), (60, 4351269), (65, 4016556), (68, 3839355), (78, 3347130), (85, 3071484), (90, 2900846), (102, 2559570), (117, 2231420), (130, 2008278), (153, 1706380), (156, 1673565), (170, 1535742), (180, 1450423), (195, 1338852), (204, 1279785), (221, 1181340), (234, 1115710), (255, 1023828), (260, 1004139), (306, 853190), (340, 767871), (390, 669426), (442, 590670), (468, 557855), (510, 511914), (585, 446284), (612, 426595), (663, 393780), (765, 341276), (780, 334713), (884, 295335), (1020, 255957), (1105, 236268), (1170, 223142), (1326, 196890), (1530, 170638), (1989, 131260), (2210, 118134), (2340, 111571), (2652, 98445), (3060, 85319), (3315, 78756), (3978, 65630), (4420, 59067), (6563, 39780), (6630, 39378), (7956, 32815), (9945, 26252), (13126, 19890), (13260, 19689)]