78754620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 270950400

約数和(自身を除く): 192195780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 71, 76, 84, 95, 105, 114, 133, 139, 140, 142, 190, 210, 213, 228, 266, 278, 284, 285, 355, 380, 399, 417, 420, 426, 497, 532, 556, 570, 665, 695, 710, 798, 834, 852, 973, 994, 1065, 1140, 1330, 1349, 1390, 1420, 1491, 1596, 1668, 1946, 1988, 1995, 2085, 2130, 2485, 2641, 2660, 2698, 2780, 2919, 2982, 3892, 3990, 4047, 4170, 4260, 4865, 4970, 5282, 5396, 5838, 5964, 6745, 7455, 7923, 7980, 8094, 8340, 9443, 9730, 9869, 9940, 10564, 11676, 13205, 13490, 14595, 14910, 15846, 16188, 18487, 18886, 19460, 19738, 20235, 26410, 26980, 28329, 29190, 29607, 29820, 31692, 36974, 37772, 39476, 39615, 40470, 47215, 49345, 52820, 55461, 56658, 58380, 59214, 69083, 73948, 79230, 80940, 92435, 94430, 98690, 110922, 113316, 118428, 138166, 141645, 148035, 158460, 184870, 187511, 188860, 197380, 207249, 221844, 276332, 277305, 283290, 296070, 345415, 369740, 375022, 414498, 554610, 562533, 566580, 592140, 690830, 750044, 828996, 937555, 1036245, 1109220, 1125066, 1312577, 1381660, 1875110, 2072490, 2250132, 2625154, 2812665, 3750220, 3937731, 4144980, 5250308, 5625330, 6562885, 7875462, 11250660, 13125770, 15750924, 19688655, 26251540, 39377310, 78754620]

約数ペア:

[(1, 78754620), (2, 39377310), (3, 26251540), (4, 19688655), (5, 15750924), (6, 13125770), (7, 11250660), (10, 7875462), (12, 6562885), (14, 5625330), (15, 5250308), (19, 4144980), (20, 3937731), (21, 3750220), (28, 2812665), (30, 2625154), (35, 2250132), (38, 2072490), (42, 1875110), (57, 1381660), (60, 1312577), (70, 1125066), (71, 1109220), (76, 1036245), (84, 937555), (95, 828996), (105, 750044), (114, 690830), (133, 592140), (139, 566580), (140, 562533), (142, 554610), (190, 414498), (210, 375022), (213, 369740), (228, 345415), (266, 296070), (278, 283290), (284, 277305), (285, 276332), (355, 221844), (380, 207249), (399, 197380), (417, 188860), (420, 187511), (426, 184870), (497, 158460), (532, 148035), (556, 141645), (570, 138166), (665, 118428), (695, 113316), (710, 110922), (798, 98690), (834, 94430), (852, 92435), (973, 80940), (994, 79230), (1065, 73948), (1140, 69083), (1330, 59214), (1349, 58380), (1390, 56658), (1420, 55461), (1491, 52820), (1596, 49345), (1668, 47215), (1946, 40470), (1988, 39615), (1995, 39476), (2085, 37772), (2130, 36974), (2485, 31692), (2641, 29820), (2660, 29607), (2698, 29190), (2780, 28329), (2919, 26980), (2982, 26410), (3892, 20235), (3990, 19738), (4047, 19460), (4170, 18886), (4260, 18487), (4865, 16188), (4970, 15846), (5282, 14910), (5396, 14595), (5838, 13490), (5964, 13205), (6745, 11676), (7455, 10564), (7923, 9940), (7980, 9869), (8094, 9730), (8340, 9443)]