1921598820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 6279174720

約数和(自身を除く): 4357575900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 151, 171, 180, 183, 190, 228, 244, 285, 302, 305, 342, 366, 380, 453, 549, 570, 604, 610, 684, 732, 755, 855, 906, 915, 1098, 1140, 1159, 1220, 1359, 1510, 1710, 1812, 1830, 2196, 2265, 2318, 2718, 2745, 2869, 3020, 3420, 3477, 3660, 3721, 4530, 4636, 5436, 5490, 5738, 5795, 6795, 6954, 7442, 8607, 9060, 9211, 10431, 10980, 11163, 11476, 11590, 13590, 13908, 14345, 14884, 17214, 17385, 18422, 18605, 20862, 22326, 23180, 25821, 27180, 27633, 28690, 33489, 34428, 34770, 36844, 37210, 41724, 43035, 44652, 46055, 51642, 52155, 55266, 55815, 57380, 66978, 69540, 70699, 74420, 82899, 86070, 92110, 103284, 104310, 110532, 111630, 129105, 133956, 138165, 141398, 165798, 167445, 172140, 175009, 184220, 208620, 212097, 223260, 258210, 276330, 282796, 331596, 334890, 350018, 353495, 414495, 424194, 516420, 525027, 552660, 561871, 636291, 669780, 700036, 706990, 828990, 848388, 875045, 1050054, 1060485, 1123742, 1272582, 1413980, 1575081, 1657980, 1685613, 1750090, 2100108, 2120970, 2247484, 2545164, 2625135, 2809355, 3150162, 3181455, 3371226, 3500180, 4241940, 5056839, 5250270, 5618710, 6300324, 6362910, 6742452, 7875405, 8428065, 10113678, 10500540, 10675549, 11237420, 12725820, 15750810, 16856130, 20227356, 21351098, 25284195, 31501620, 32026647, 33712260, 42702196, 50568390, 53377745, 64053294, 96079941, 101136780, 106755490, 128106588, 160133235, 192159882, 213510980, 320266470, 384319764, 480399705, 640532940, 960799410, 1921598820]

約数ペア:

[(1, 1921598820), (2, 960799410), (3, 640532940), (4, 480399705), (5, 384319764), (6, 320266470), (9, 213510980), (10, 192159882), (12, 160133235), (15, 128106588), (18, 106755490), (19, 101136780), (20, 96079941), (30, 64053294), (36, 53377745), (38, 50568390), (45, 42702196), (57, 33712260), (60, 32026647), (61, 31501620), (76, 25284195), (90, 21351098), (95, 20227356), (114, 16856130), (122, 15750810), (151, 12725820), (171, 11237420), (180, 10675549), (183, 10500540), (190, 10113678), (228, 8428065), (244, 7875405), (285, 6742452), (302, 6362910), (305, 6300324), (342, 5618710), (366, 5250270), (380, 5056839), (453, 4241940), (549, 3500180), (570, 3371226), (604, 3181455), (610, 3150162), (684, 2809355), (732, 2625135), (755, 2545164), (855, 2247484), (906, 2120970), (915, 2100108), (1098, 1750090), (1140, 1685613), (1159, 1657980), (1220, 1575081), (1359, 1413980), (1510, 1272582), (1710, 1123742), (1812, 1060485), (1830, 1050054), (2196, 875045), (2265, 848388), (2318, 828990), (2718, 706990), (2745, 700036), (2869, 669780), (3020, 636291), (3420, 561871), (3477, 552660), (3660, 525027), (3721, 516420), (4530, 424194), (4636, 414495), (5436, 353495), (5490, 350018), (5738, 334890), (5795, 331596), (6795, 282796), (6954, 276330), (7442, 258210), (8607, 223260), (9060, 212097), (9211, 208620), (10431, 184220), (10980, 175009), (11163, 172140), (11476, 167445), (11590, 165798), (13590, 141398), (13908, 138165), (14345, 133956), (14884, 129105), (17214, 111630), (17385, 110532), (18422, 104310), (18605, 103284), (20862, 92110), (22326, 86070), (23180, 82899), (25821, 74420), (27180, 70699), (27633, 69540), (28690, 66978), (33489, 57380), (34428, 55815), (34770, 55266), (36844, 52155), (37210, 51642), (41724, 46055), (43035, 44652)]