72255780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{463}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 239312640

約数和(自身を除く): 167056860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 459, 463, 510, 540, 578, 612, 765, 867, 918, 926, 1020, 1156, 1389, 1445, 1530, 1734, 1836, 1852, 2295, 2315, 2601, 2778, 2890, 3060, 3468, 4167, 4335, 4590, 4630, 5202, 5556, 5780, 6945, 7803, 7871, 8334, 8670, 9180, 9260, 10404, 12501, 13005, 13890, 15606, 15742, 16668, 17340, 20835, 23613, 25002, 26010, 27780, 31212, 31484, 39015, 39355, 41670, 47226, 50004, 52020, 62505, 70839, 78030, 78710, 83340, 94452, 118065, 125010, 133807, 141678, 156060, 157420, 212517, 236130, 250020, 267614, 283356, 354195, 401421, 425034, 472260, 535228, 669035, 708390, 802842, 850068, 1062585, 1204263, 1338070, 1416780, 1605684, 2007105, 2125170, 2408526, 2676140, 3612789, 4014210, 4250340, 4817052, 6021315, 7225578, 8028420, 12042630, 14451156, 18063945, 24085260, 36127890, 72255780]

約数ペア:

[(1, 72255780), (2, 36127890), (3, 24085260), (4, 18063945), (5, 14451156), (6, 12042630), (9, 8028420), (10, 7225578), (12, 6021315), (15, 4817052), (17, 4250340), (18, 4014210), (20, 3612789), (27, 2676140), (30, 2408526), (34, 2125170), (36, 2007105), (45, 1605684), (51, 1416780), (54, 1338070), (60, 1204263), (68, 1062585), (85, 850068), (90, 802842), (102, 708390), (108, 669035), (135, 535228), (153, 472260), (170, 425034), (180, 401421), (204, 354195), (255, 283356), (270, 267614), (289, 250020), (306, 236130), (340, 212517), (459, 157420), (463, 156060), (510, 141678), (540, 133807), (578, 125010), (612, 118065), (765, 94452), (867, 83340), (918, 78710), (926, 78030), (1020, 70839), (1156, 62505), (1389, 52020), (1445, 50004), (1530, 47226), (1734, 41670), (1836, 39355), (1852, 39015), (2295, 31484), (2315, 31212), (2601, 27780), (2778, 26010), (2890, 25002), (3060, 23613), (3468, 20835), (4167, 17340), (4335, 16668), (4590, 15742), (4630, 15606), (5202, 13890), (5556, 13005), (5780, 12501), (6945, 10404), (7803, 9260), (7871, 9180), (8334, 8670)]