74987910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 211593600

約数和(自身を除く): 136605690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 61, 87, 90, 122, 135, 145, 157, 174, 183, 261, 270, 290, 305, 314, 366, 435, 471, 522, 549, 610, 783, 785, 870, 915, 942, 1098, 1305, 1413, 1566, 1570, 1647, 1769, 1830, 2355, 2610, 2745, 2826, 3294, 3538, 3915, 4239, 4553, 4710, 5307, 5490, 7065, 7830, 8235, 8478, 8845, 9106, 9577, 10614, 13659, 14130, 15921, 16470, 17690, 19154, 21195, 22765, 26535, 27318, 28731, 31842, 40977, 42390, 45530, 47763, 47885, 53070, 57462, 68295, 79605, 81954, 86193, 95526, 95770, 122931, 136590, 143655, 159210, 172386, 204885, 238815, 245862, 258579, 277733, 287310, 409770, 430965, 477630, 517158, 555466, 614655, 833199, 861930, 1229310, 1292895, 1388665, 1666398, 2499597, 2585790, 2777330, 4165995, 4999194, 7498791, 8331990, 12497985, 14997582, 24995970, 37493955, 74987910]

約数ペア:

[(1, 74987910), (2, 37493955), (3, 24995970), (5, 14997582), (6, 12497985), (9, 8331990), (10, 7498791), (15, 4999194), (18, 4165995), (27, 2777330), (29, 2585790), (30, 2499597), (45, 1666398), (54, 1388665), (58, 1292895), (61, 1229310), (87, 861930), (90, 833199), (122, 614655), (135, 555466), (145, 517158), (157, 477630), (174, 430965), (183, 409770), (261, 287310), (270, 277733), (290, 258579), (305, 245862), (314, 238815), (366, 204885), (435, 172386), (471, 159210), (522, 143655), (549, 136590), (610, 122931), (783, 95770), (785, 95526), (870, 86193), (915, 81954), (942, 79605), (1098, 68295), (1305, 57462), (1413, 53070), (1566, 47885), (1570, 47763), (1647, 45530), (1769, 42390), (1830, 40977), (2355, 31842), (2610, 28731), (2745, 27318), (2826, 26535), (3294, 22765), (3538, 21195), (3915, 19154), (4239, 17690), (4553, 16470), (4710, 15921), (5307, 14130), (5490, 13659), (7065, 10614), (7830, 9577), (8235, 9106), (8478, 8845)]