1967551290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 5357975040

約数和(自身を除く): 3390423750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 197, 213, 270, 355, 394, 426, 521, 591, 639, 710, 985, 1042, 1065, 1182, 1278, 1563, 1773, 1917, 1970, 2130, 2605, 2955, 3126, 3195, 3546, 3834, 4689, 5210, 5319, 5910, 6390, 7815, 8865, 9378, 9585, 10638, 13987, 14067, 15630, 17730, 19170, 23445, 26595, 27974, 28134, 36991, 41961, 46890, 53190, 69935, 70335, 73982, 83922, 102637, 110973, 125883, 139870, 140670, 184955, 205274, 209805, 221946, 251766, 307911, 332919, 369910, 377649, 419610, 513185, 554865, 615822, 629415, 665838, 755298, 923733, 998757, 1026370, 1109730, 1258830, 1539555, 1664595, 1847466, 1888245, 1997514, 2771199, 3079110, 3329190, 3776490, 4618665, 4993785, 5542398, 7287227, 9237330, 9987570, 13855995, 14574454, 21861681, 27711990, 36436135, 43723362, 65585043, 72872270, 109308405, 131170086, 196755129, 218616810, 327925215, 393510258, 655850430, 983775645, 1967551290]

約数ペア:

[(1, 1967551290), (2, 983775645), (3, 655850430), (5, 393510258), (6, 327925215), (9, 218616810), (10, 196755129), (15, 131170086), (18, 109308405), (27, 72872270), (30, 65585043), (45, 43723362), (54, 36436135), (71, 27711990), (90, 21861681), (135, 14574454), (142, 13855995), (197, 9987570), (213, 9237330), (270, 7287227), (355, 5542398), (394, 4993785), (426, 4618665), (521, 3776490), (591, 3329190), (639, 3079110), (710, 2771199), (985, 1997514), (1042, 1888245), (1065, 1847466), (1182, 1664595), (1278, 1539555), (1563, 1258830), (1773, 1109730), (1917, 1026370), (1970, 998757), (2130, 923733), (2605, 755298), (2955, 665838), (3126, 629415), (3195, 615822), (3546, 554865), (3834, 513185), (4689, 419610), (5210, 377649), (5319, 369910), (5910, 332919), (6390, 307911), (7815, 251766), (8865, 221946), (9378, 209805), (9585, 205274), (10638, 184955), (13987, 140670), (14067, 139870), (15630, 125883), (17730, 110973), (19170, 102637), (23445, 83922), (26595, 73982), (27974, 70335), (28134, 69935), (36991, 53190), (41961, 46890)]