74428380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1916

約数の個数: 144

約数和(自身を含む): 257572224

約数和(自身を除く): 183143844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1871, 1989, 2210, 2340, 2652, 3060, 3315, 3742, 3978, 4420, 5613, 6630, 7484, 7956, 9355, 9945, 11226, 13260, 16839, 18710, 19890, 22452, 24323, 28065, 31807, 33678, 37420, 39780, 48646, 56130, 63614, 67356, 72969, 84195, 95421, 97292, 112260, 121615, 127228, 145938, 159035, 168390, 190842, 218907, 243230, 286263, 291876, 318070, 336780, 364845, 381684, 413491, 437814, 477105, 486460, 572526, 636140, 729690, 826982, 875628, 954210, 1094535, 1145052, 1240473, 1431315, 1459380, 1653964, 1908420, 2067455, 2189070, 2480946, 2862630, 3721419, 4134910, 4378140, 4961892, 5725260, 6202365, 7442838, 8269820, 12404730, 14885676, 18607095, 24809460, 37214190, 74428380]

約数ペア:

[(1, 74428380), (2, 37214190), (3, 24809460), (4, 18607095), (5, 14885676), (6, 12404730), (9, 8269820), (10, 7442838), (12, 6202365), (13, 5725260), (15, 4961892), (17, 4378140), (18, 4134910), (20, 3721419), (26, 2862630), (30, 2480946), (34, 2189070), (36, 2067455), (39, 1908420), (45, 1653964), (51, 1459380), (52, 1431315), (60, 1240473), (65, 1145052), (68, 1094535), (78, 954210), (85, 875628), (90, 826982), (102, 729690), (117, 636140), (130, 572526), (153, 486460), (156, 477105), (170, 437814), (180, 413491), (195, 381684), (204, 364845), (221, 336780), (234, 318070), (255, 291876), (260, 286263), (306, 243230), (340, 218907), (390, 190842), (442, 168390), (468, 159035), (510, 145938), (585, 127228), (612, 121615), (663, 112260), (765, 97292), (780, 95421), (884, 84195), (1020, 72969), (1105, 67356), (1170, 63614), (1326, 56130), (1530, 48646), (1871, 39780), (1989, 37420), (2210, 33678), (2340, 31807), (2652, 28065), (3060, 24323), (3315, 22452), (3742, 19890), (3978, 18710), (4420, 16839), (5613, 13260), (6630, 11226), (7484, 9945), (7956, 9355)]