1227490380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 3790506720

約数和(自身を除く): 2563016340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 229, 291, 307, 388, 458, 485, 582, 614, 687, 873, 916, 921, 970, 1145, 1164, 1228, 1374, 1455, 1535, 1746, 1842, 1940, 2061, 2290, 2748, 2763, 2910, 3070, 3435, 3492, 3684, 4122, 4365, 4580, 4605, 5526, 5820, 6140, 6870, 8244, 8730, 9210, 10305, 11052, 13740, 13815, 17460, 18420, 20610, 22213, 27630, 29779, 41220, 44426, 55260, 59558, 66639, 70303, 88852, 89337, 111065, 119116, 133278, 140606, 148895, 178674, 199917, 210909, 222130, 266556, 268011, 281212, 297790, 333195, 351515, 357348, 399834, 421818, 444260, 446685, 536022, 595580, 632727, 666390, 703030, 799668, 843636, 893370, 999585, 1054545, 1072044, 1265454, 1332780, 1340055, 1406060, 1786740, 1999170, 2109090, 2530908, 2680110, 3163635, 3998340, 4218180, 5360220, 6327270, 6819391, 12654540, 13638782, 20458173, 27277564, 34096955, 40916346, 61374519, 68193910, 81832692, 102290865, 122749038, 136387820, 204581730, 245498076, 306872595, 409163460, 613745190, 1227490380]

約数ペア:

[(1, 1227490380), (2, 613745190), (3, 409163460), (4, 306872595), (5, 245498076), (6, 204581730), (9, 136387820), (10, 122749038), (12, 102290865), (15, 81832692), (18, 68193910), (20, 61374519), (30, 40916346), (36, 34096955), (45, 27277564), (60, 20458173), (90, 13638782), (97, 12654540), (180, 6819391), (194, 6327270), (229, 5360220), (291, 4218180), (307, 3998340), (388, 3163635), (458, 2680110), (485, 2530908), (582, 2109090), (614, 1999170), (687, 1786740), (873, 1406060), (916, 1340055), (921, 1332780), (970, 1265454), (1145, 1072044), (1164, 1054545), (1228, 999585), (1374, 893370), (1455, 843636), (1535, 799668), (1746, 703030), (1842, 666390), (1940, 632727), (2061, 595580), (2290, 536022), (2748, 446685), (2763, 444260), (2910, 421818), (3070, 399834), (3435, 357348), (3492, 351515), (3684, 333195), (4122, 297790), (4365, 281212), (4580, 268011), (4605, 266556), (5526, 222130), (5820, 210909), (6140, 199917), (6870, 178674), (8244, 148895), (8730, 140606), (9210, 133278), (10305, 119116), (11052, 111065), (13740, 89337), (13815, 88852), (17460, 70303), (18420, 66639), (20610, 59558), (22213, 55260), (27630, 44426), (29779, 41220)]