9127980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 31056480

約数和(自身を除く): 21928500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 157, 170, 171, 180, 190, 204, 228, 255, 285, 306, 314, 323, 340, 342, 380, 471, 510, 570, 612, 628, 646, 684, 765, 785, 855, 942, 969, 1020, 1140, 1292, 1413, 1530, 1570, 1615, 1710, 1884, 1938, 2355, 2669, 2826, 2907, 2983, 3060, 3140, 3230, 3420, 3876, 4710, 4845, 5338, 5652, 5814, 5966, 6460, 7065, 8007, 8949, 9420, 9690, 10676, 11628, 11932, 13345, 14130, 14535, 14915, 16014, 17898, 19380, 24021, 26690, 26847, 28260, 29070, 29830, 32028, 35796, 40035, 44745, 48042, 50711, 53380, 53694, 58140, 59660, 80070, 89490, 96084, 101422, 107388, 120105, 134235, 152133, 160140, 178980, 202844, 240210, 253555, 268470, 304266, 456399, 480420, 507110, 536940, 608532, 760665, 912798, 1014220, 1521330, 1825596, 2281995, 3042660, 4563990, 9127980]

約数ペア:

[(1, 9127980), (2, 4563990), (3, 3042660), (4, 2281995), (5, 1825596), (6, 1521330), (9, 1014220), (10, 912798), (12, 760665), (15, 608532), (17, 536940), (18, 507110), (19, 480420), (20, 456399), (30, 304266), (34, 268470), (36, 253555), (38, 240210), (45, 202844), (51, 178980), (57, 160140), (60, 152133), (68, 134235), (76, 120105), (85, 107388), (90, 101422), (95, 96084), (102, 89490), (114, 80070), (153, 59660), (157, 58140), (170, 53694), (171, 53380), (180, 50711), (190, 48042), (204, 44745), (228, 40035), (255, 35796), (285, 32028), (306, 29830), (314, 29070), (323, 28260), (340, 26847), (342, 26690), (380, 24021), (471, 19380), (510, 17898), (570, 16014), (612, 14915), (628, 14535), (646, 14130), (684, 13345), (765, 11932), (785, 11628), (855, 10676), (942, 9690), (969, 9420), (1020, 8949), (1140, 8007), (1292, 7065), (1413, 6460), (1530, 5966), (1570, 5814), (1615, 5652), (1710, 5338), (1884, 4845), (1938, 4710), (2355, 3876), (2669, 3420), (2826, 3230), (2907, 3140), (2983, 3060)]