280011420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7039}}^1$

素因数の和:7084

約数の個数: 144

約数和(自身を含む): 968647680

約数和(自身を除く): 688636260

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, 6630, 7039, 7956, 9945, 13260, 14078, 19890, 21117, 28156, 35195, 39780, 42234, 63351, 70390, 84468, 91507, 105585, 119663, 126702, 140780, 183014, 211170, 239326, 253404, 274521, 316755, 358989, 366028, 422340, 457535, 478652, 549042, 598315, 633510, 717978, 823563, 915070, 1076967, 1098084, 1196630, 1267020, 1372605, 1435956, 1555619, 1647126, 1794945, 1830140, 2153934, 2393260, 2745210, 3111238, 3294252, 3589890, 4117815, 4307868, 4666857, 5384835, 5490420, 6222476, 7179780, 7778095, 8235630, 9333714, 10769670, 14000571, 15556190, 16471260, 18667428, 21539340, 23334285, 28001142, 31112380, 46668570, 56002284, 70002855, 93337140, 140005710, 280011420]

約数ペア:

[(1, 280011420), (2, 140005710), (3, 93337140), (4, 70002855), (5, 56002284), (6, 46668570), (9, 31112380), (10, 28001142), (12, 23334285), (13, 21539340), (15, 18667428), (17, 16471260), (18, 15556190), (20, 14000571), (26, 10769670), (30, 9333714), (34, 8235630), (36, 7778095), (39, 7179780), (45, 6222476), (51, 5490420), (52, 5384835), (60, 4666857), (65, 4307868), (68, 4117815), (78, 3589890), (85, 3294252), (90, 3111238), (102, 2745210), (117, 2393260), (130, 2153934), (153, 1830140), (156, 1794945), (170, 1647126), (180, 1555619), (195, 1435956), (204, 1372605), (221, 1267020), (234, 1196630), (255, 1098084), (260, 1076967), (306, 915070), (340, 823563), (390, 717978), (442, 633510), (468, 598315), (510, 549042), (585, 478652), (612, 457535), (663, 422340), (765, 366028), (780, 358989), (884, 316755), (1020, 274521), (1105, 253404), (1170, 239326), (1326, 211170), (1530, 183014), (1989, 140780), (2210, 126702), (2340, 119663), (2652, 105585), (3060, 91507), (3315, 84468), (3978, 70390), (4420, 63351), (6630, 42234), (7039, 39780), (7956, 35195), (9945, 28156), (13260, 21117), (14078, 19890)]