9978251.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 63947520

約数和(自身を除く): 44103540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 103, 114, 130, 156, 169, 190, 195, 206, 228, 247, 260, 285, 309, 338, 380, 390, 412, 494, 507, 515, 570, 618, 676, 741, 780, 845, 988, 1014, 1030, 1140, 1235, 1236, 1339, 1482, 1545, 1690, 1957, 2028, 2060, 2470, 2535, 2678, 2964, 3090, 3211, 3380, 3705, 3914, 4017, 4940, 5070, 5356, 5871, 6180, 6422, 6695, 7410, 7828, 8034, 9633, 9785, 10140, 11742, 12844, 13390, 14820, 16055, 16068, 17407, 19266, 19570, 20085, 23484, 25441, 26780, 29355, 32110, 34814, 38532, 39140, 40170, 48165, 50882, 52221, 58710, 64220, 69628, 76323, 80340, 87035, 96330, 101764, 104442, 117420, 127205, 152646, 174070, 192660, 208884, 254410, 261105, 305292, 330733, 348140, 381615, 508820, 522210, 661466, 763230, 992199, 1044420, 1322932, 1526460, 1653665, 1984398, 3307330, 3968796, 4960995, 6614660, 9921990, 19843980]

約数ペア:

[(1, 19843980), (2, 9921990), (3, 6614660), (4, 4960995), (5, 3968796), (6, 3307330), (10, 1984398), (12, 1653665), (13, 1526460), (15, 1322932), (19, 1044420), (20, 992199), (26, 763230), (30, 661466), (38, 522210), (39, 508820), (52, 381615), (57, 348140), (60, 330733), (65, 305292), (76, 261105), (78, 254410), (95, 208884), (103, 192660), (114, 174070), (130, 152646), (156, 127205), (169, 117420), (190, 104442), (195, 101764), (206, 96330), (228, 87035), (247, 80340), (260, 76323), (285, 69628), (309, 64220), (338, 58710), (380, 52221), (390, 50882), (412, 48165), (494, 40170), (507, 39140), (515, 38532), (570, 34814), (618, 32110), (676, 29355), (741, 26780), (780, 25441), (845, 23484), (988, 20085), (1014, 19570), (1030, 19266), (1140, 17407), (1235, 16068), (1236, 16055), (1339, 14820), (1482, 13390), (1545, 12844), (1690, 11742), (1957, 10140), (2028, 9785), (2060, 9633), (2470, 8034), (2535, 7828), (2678, 7410), (2964, 6695), (3090, 6422), (3211, 6180), (3380, 5871), (3705, 5356), (3914, 5070), (4017, 4940)]