1699740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 6289920

約数和(自身を除く): 4590180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 71, 76, 84, 90, 95, 105, 114, 126, 133, 140, 142, 171, 180, 190, 210, 213, 228, 252, 266, 284, 285, 315, 342, 355, 380, 399, 420, 426, 497, 532, 570, 630, 639, 665, 684, 710, 798, 852, 855, 994, 1065, 1140, 1197, 1260, 1278, 1330, 1349, 1420, 1491, 1596, 1710, 1988, 1995, 2130, 2394, 2485, 2556, 2660, 2698, 2982, 3195, 3420, 3990, 4047, 4260, 4473, 4788, 4970, 5396, 5964, 5985, 6390, 6745, 7455, 7980, 8094, 8946, 9443, 9940, 11970, 12141, 12780, 13490, 14910, 16188, 17892, 18886, 20235, 22365, 23940, 24282, 26980, 28329, 29820, 37772, 40470, 44730, 47215, 48564, 56658, 60705, 80940, 84987, 89460, 94430, 113316, 121410, 141645, 169974, 188860, 242820, 283290, 339948, 424935, 566580, 849870, 1699740]

約数ペア:

[(1, 1699740), (2, 849870), (3, 566580), (4, 424935), (5, 339948), (6, 283290), (7, 242820), (9, 188860), (10, 169974), (12, 141645), (14, 121410), (15, 113316), (18, 94430), (19, 89460), (20, 84987), (21, 80940), (28, 60705), (30, 56658), (35, 48564), (36, 47215), (38, 44730), (42, 40470), (45, 37772), (57, 29820), (60, 28329), (63, 26980), (70, 24282), (71, 23940), (76, 22365), (84, 20235), (90, 18886), (95, 17892), (105, 16188), (114, 14910), (126, 13490), (133, 12780), (140, 12141), (142, 11970), (171, 9940), (180, 9443), (190, 8946), (210, 8094), (213, 7980), (228, 7455), (252, 6745), (266, 6390), (284, 5985), (285, 5964), (315, 5396), (342, 4970), (355, 4788), (380, 4473), (399, 4260), (420, 4047), (426, 3990), (497, 3420), (532, 3195), (570, 2982), (630, 2698), (639, 2660), (665, 2556), (684, 2485), (710, 2394), (798, 2130), (852, 1995), (855, 1988), (994, 1710), (1065, 1596), (1140, 1491), (1197, 1420), (1260, 1349), (1278, 1330)]