1328842980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 4118914800

約数和(自身を除く): 2790071820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 109, 178, 180, 218, 267, 327, 356, 436, 445, 534, 545, 654, 761, 801, 890, 981, 1068, 1090, 1308, 1335, 1522, 1602, 1635, 1780, 1962, 2180, 2283, 2670, 3044, 3204, 3270, 3805, 3924, 4005, 4566, 4905, 5340, 6540, 6849, 7610, 8010, 9132, 9701, 9810, 11415, 13698, 15220, 16020, 19402, 19620, 22830, 27396, 29103, 34245, 38804, 45660, 48505, 58206, 67729, 68490, 82949, 87309, 97010, 116412, 135458, 136980, 145515, 165898, 174618, 194020, 203187, 248847, 270916, 291030, 331796, 338645, 349236, 406374, 414745, 436545, 497694, 582060, 609561, 677290, 746541, 812748, 829490, 873090, 995388, 1015935, 1219122, 1244235, 1354580, 1493082, 1658980, 1746180, 2031870, 2438244, 2488470, 2986164, 3047805, 3732705, 4063740, 4976940, 6095610, 7382461, 7465410, 12191220, 14764922, 14930820, 22147383, 29529844, 36912305, 44294766, 66442149, 73824610, 88589532, 110736915, 132884298, 147649220, 221473830, 265768596, 332210745, 442947660, 664421490, 1328842980]

約数ペア:

[(1, 1328842980), (2, 664421490), (3, 442947660), (4, 332210745), (5, 265768596), (6, 221473830), (9, 147649220), (10, 132884298), (12, 110736915), (15, 88589532), (18, 73824610), (20, 66442149), (30, 44294766), (36, 36912305), (45, 29529844), (60, 22147383), (89, 14930820), (90, 14764922), (109, 12191220), (178, 7465410), (180, 7382461), (218, 6095610), (267, 4976940), (327, 4063740), (356, 3732705), (436, 3047805), (445, 2986164), (534, 2488470), (545, 2438244), (654, 2031870), (761, 1746180), (801, 1658980), (890, 1493082), (981, 1354580), (1068, 1244235), (1090, 1219122), (1308, 1015935), (1335, 995388), (1522, 873090), (1602, 829490), (1635, 812748), (1780, 746541), (1962, 677290), (2180, 609561), (2283, 582060), (2670, 497694), (3044, 436545), (3204, 414745), (3270, 406374), (3805, 349236), (3924, 338645), (4005, 331796), (4566, 291030), (4905, 270916), (5340, 248847), (6540, 203187), (6849, 194020), (7610, 174618), (8010, 165898), (9132, 145515), (9701, 136980), (9810, 135458), (11415, 116412), (13698, 97010), (15220, 87309), (16020, 82949), (19402, 68490), (19620, 67729), (22830, 58206), (27396, 48505), (29103, 45660), (34245, 38804)]