1638753060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2801}}^1$

素因数の和:3026

約数の個数: 144

約数和(自身を含む): 5366390400

約数和(自身を除く): 3727637340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 199, 210, 245, 294, 398, 420, 490, 588, 597, 735, 796, 980, 995, 1194, 1393, 1470, 1990, 2388, 2786, 2801, 2940, 2985, 3980, 4179, 5572, 5602, 5970, 6965, 8358, 8403, 9751, 11204, 11940, 13930, 14005, 16716, 16806, 19502, 19607, 20895, 27860, 28010, 29253, 33612, 39004, 39214, 41790, 42015, 48755, 56020, 58506, 58821, 78428, 83580, 84030, 97510, 98035, 117012, 117642, 137249, 146265, 168060, 195020, 196070, 235284, 274498, 292530, 294105, 392140, 411747, 548996, 557399, 585060, 588210, 686245, 823494, 1114798, 1176420, 1372490, 1646988, 1672197, 2058735, 2229596, 2744980, 2786995, 3344394, 3901793, 4117470, 5573990, 6688788, 7803586, 8234940, 8360985, 11147980, 11705379, 15607172, 16721970, 19508965, 23410758, 27312551, 33443940, 39017930, 46821516, 54625102, 58526895, 78035860, 81937653, 109250204, 117053790, 136562755, 163875306, 234107580, 273125510, 327750612, 409688265, 546251020, 819376530, 1638753060]

約数ペア:

[(1, 1638753060), (2, 819376530), (3, 546251020), (4, 409688265), (5, 327750612), (6, 273125510), (7, 234107580), (10, 163875306), (12, 136562755), (14, 117053790), (15, 109250204), (20, 81937653), (21, 78035860), (28, 58526895), (30, 54625102), (35, 46821516), (42, 39017930), (49, 33443940), (60, 27312551), (70, 23410758), (84, 19508965), (98, 16721970), (105, 15607172), (140, 11705379), (147, 11147980), (196, 8360985), (199, 8234940), (210, 7803586), (245, 6688788), (294, 5573990), (398, 4117470), (420, 3901793), (490, 3344394), (588, 2786995), (597, 2744980), (735, 2229596), (796, 2058735), (980, 1672197), (995, 1646988), (1194, 1372490), (1393, 1176420), (1470, 1114798), (1990, 823494), (2388, 686245), (2786, 588210), (2801, 585060), (2940, 557399), (2985, 548996), (3980, 411747), (4179, 392140), (5572, 294105), (5602, 292530), (5970, 274498), (6965, 235284), (8358, 196070), (8403, 195020), (9751, 168060), (11204, 146265), (11940, 137249), (13930, 117642), (14005, 117012), (16716, 98035), (16806, 97510), (19502, 84030), (19607, 83580), (20895, 78428), (27860, 58821), (28010, 58506), (29253, 56020), (33612, 48755), (39004, 42015), (39214, 41790)]