18650520080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{997}}^1$

素因数の和:1457

約数の個数: 160

約数和(自身を含む): 47283164160

約数和(自身を除く): 28632644080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 397, 496, 589, 620, 760, 794, 997, 1178, 1240, 1520, 1588, 1985, 1994, 2356, 2480, 2945, 3176, 3970, 3988, 4712, 4985, 5890, 6352, 7543, 7940, 7976, 9424, 9970, 11780, 12307, 15086, 15880, 15952, 18943, 19940, 23560, 24614, 30172, 30907, 31760, 37715, 37886, 39880, 47120, 49228, 60344, 61535, 61814, 75430, 75772, 79760, 94715, 98456, 120688, 123070, 123628, 150860, 151544, 154535, 189430, 196912, 233833, 246140, 247256, 301720, 303088, 309070, 378860, 395809, 467666, 492280, 494512, 587233, 603440, 618140, 757720, 791618, 935332, 984560, 1169165, 1174466, 1236280, 1515440, 1583236, 1870664, 1979045, 2338330, 2348932, 2472560, 2936165, 3166472, 3741328, 3958090, 4676660, 4697864, 5872330, 6332944, 7520371, 7916180, 9353320, 9395728, 11744660, 12270079, 15040742, 15832360, 18706640, 23489320, 24540158, 30081484, 31664720, 37601855, 46978640, 49080316, 60162968, 61350395, 75203710, 98160632, 120325936, 122700790, 150407420, 196321264, 233131501, 245401580, 300814840, 466263002, 490803160, 601629680, 932526004, 981606320, 1165657505, 1865052008, 2331315010, 3730104016, 4662630020, 9325260040, 18650520080]

約数ペア:

[(1, 18650520080), (2, 9325260040), (4, 4662630020), (5, 3730104016), (8, 2331315010), (10, 1865052008), (16, 1165657505), (19, 981606320), (20, 932526004), (31, 601629680), (38, 490803160), (40, 466263002), (62, 300814840), (76, 245401580), (80, 233131501), (95, 196321264), (124, 150407420), (152, 122700790), (155, 120325936), (190, 98160632), (248, 75203710), (304, 61350395), (310, 60162968), (380, 49080316), (397, 46978640), (496, 37601855), (589, 31664720), (620, 30081484), (760, 24540158), (794, 23489320), (997, 18706640), (1178, 15832360), (1240, 15040742), (1520, 12270079), (1588, 11744660), (1985, 9395728), (1994, 9353320), (2356, 7916180), (2480, 7520371), (2945, 6332944), (3176, 5872330), (3970, 4697864), (3988, 4676660), (4712, 3958090), (4985, 3741328), (5890, 3166472), (6352, 2936165), (7543, 2472560), (7940, 2348932), (7976, 2338330), (9424, 1979045), (9970, 1870664), (11780, 1583236), (12307, 1515440), (15086, 1236280), (15880, 1174466), (15952, 1169165), (18943, 984560), (19940, 935332), (23560, 791618), (24614, 757720), (30172, 618140), (30907, 603440), (31760, 587233), (37715, 494512), (37886, 492280), (39880, 467666), (47120, 395809), (49228, 378860), (60344, 309070), (61535, 303088), (61814, 301720), (75430, 247256), (75772, 246140), (79760, 233833), (94715, 196912), (98456, 189430), (120688, 154535), (123070, 151544), (123628, 150860)]