280060380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4868

約数の個数: 144

約数和(自身を含む): 947026080

約数和(自身を除く): 666965700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4817, 4845, 5814, 6460, 9634, 9690, 11628, 14451, 14535, 19268, 19380, 24085, 28902, 29070, 43353, 48170, 57804, 58140, 72255, 81889, 86706, 91523, 96340, 144510, 163778, 173412, 183046, 216765, 245667, 274569, 289020, 327556, 366092, 409445, 433530, 457615, 491334, 549138, 737001, 818890, 823707, 867060, 915230, 982668, 1098276, 1228335, 1372845, 1474002, 1555891, 1637780, 1647414, 1830460, 2456670, 2745690, 2948004, 3111782, 3294828, 3685005, 4118535, 4667673, 4913340, 5491380, 6223564, 7370010, 7779455, 8237070, 9335346, 14003019, 14740020, 15558910, 16474140, 18670692, 23338365, 28006038, 31117820, 46676730, 56012076, 70015095, 93353460, 140030190, 280060380]

約数ペア:

[(1, 280060380), (2, 140030190), (3, 93353460), (4, 70015095), (5, 56012076), (6, 46676730), (9, 31117820), (10, 28006038), (12, 23338365), (15, 18670692), (17, 16474140), (18, 15558910), (19, 14740020), (20, 14003019), (30, 9335346), (34, 8237070), (36, 7779455), (38, 7370010), (45, 6223564), (51, 5491380), (57, 4913340), (60, 4667673), (68, 4118535), (76, 3685005), (85, 3294828), (90, 3111782), (95, 2948004), (102, 2745690), (114, 2456670), (153, 1830460), (170, 1647414), (171, 1637780), (180, 1555891), (190, 1474002), (204, 1372845), (228, 1228335), (255, 1098276), (285, 982668), (306, 915230), (323, 867060), (340, 823707), (342, 818890), (380, 737001), (510, 549138), (570, 491334), (612, 457615), (646, 433530), (684, 409445), (765, 366092), (855, 327556), (969, 289020), (1020, 274569), (1140, 245667), (1292, 216765), (1530, 183046), (1615, 173412), (1710, 163778), (1938, 144510), (2907, 96340), (3060, 91523), (3230, 86706), (3420, 81889), (3876, 72255), (4817, 58140), (4845, 57804), (5814, 48170), (6460, 43353), (9634, 29070), (9690, 28902), (11628, 24085), (14451, 19380), (14535, 19268)]