51725220

素因数分解:

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

素因数の和:222

約数の個数: 144

約数和(自身を含む): 162980160

約数和(自身を除く): 111254940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 157, 170, 190, 204, 228, 255, 285, 289, 314, 323, 340, 380, 471, 510, 570, 578, 628, 646, 785, 867, 942, 969, 1020, 1140, 1156, 1292, 1445, 1570, 1615, 1734, 1884, 1938, 2355, 2669, 2890, 2983, 3140, 3230, 3468, 3876, 4335, 4710, 4845, 5338, 5491, 5780, 5966, 6460, 8007, 8670, 8949, 9420, 9690, 10676, 10982, 11932, 13345, 14915, 16014, 16473, 17340, 17898, 19380, 21964, 26690, 27455, 29830, 32028, 32946, 35796, 40035, 44745, 45373, 50711, 53380, 54910, 59660, 65892, 80070, 82365, 89490, 90746, 101422, 109820, 136119, 152133, 160140, 164730, 178980, 181492, 202844, 226865, 253555, 272238, 304266, 329460, 453730, 507110, 544476, 608532, 680595, 760665, 862087, 907460, 1014220, 1361190, 1521330, 1724174, 2586261, 2722380, 3042660, 3448348, 4310435, 5172522, 8620870, 10345044, 12931305, 17241740, 25862610, 51725220]

約数ペア:

[(1, 51725220), (2, 25862610), (3, 17241740), (4, 12931305), (5, 10345044), (6, 8620870), (10, 5172522), (12, 4310435), (15, 3448348), (17, 3042660), (19, 2722380), (20, 2586261), (30, 1724174), (34, 1521330), (38, 1361190), (51, 1014220), (57, 907460), (60, 862087), (68, 760665), (76, 680595), (85, 608532), (95, 544476), (102, 507110), (114, 453730), (157, 329460), (170, 304266), (190, 272238), (204, 253555), (228, 226865), (255, 202844), (285, 181492), (289, 178980), (314, 164730), (323, 160140), (340, 152133), (380, 136119), (471, 109820), (510, 101422), (570, 90746), (578, 89490), (628, 82365), (646, 80070), (785, 65892), (867, 59660), (942, 54910), (969, 53380), (1020, 50711), (1140, 45373), (1156, 44745), (1292, 40035), (1445, 35796), (1570, 32946), (1615, 32028), (1734, 29830), (1884, 27455), (1938, 26690), (2355, 21964), (2669, 19380), (2890, 17898), (2983, 17340), (3140, 16473), (3230, 16014), (3468, 14915), (3876, 13345), (4335, 11932), (4710, 10982), (4845, 10676), (5338, 9690), (5491, 9420), (5780, 8949), (5966, 8670), (6460, 8007)]