171943980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 539126784

約数和(自身を除く): 367182804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 547, 620, 676, 780, 806, 845, 930, 1014, 1094, 1209, 1612, 1641, 1690, 1860, 2015, 2028, 2188, 2418, 2535, 2735, 3282, 3380, 4030, 4836, 5070, 5239, 5470, 6045, 6564, 7111, 8060, 8205, 10140, 10478, 10940, 12090, 14222, 15717, 16410, 16957, 20956, 21333, 24180, 26195, 28444, 31434, 32820, 33914, 35555, 42666, 50871, 52390, 62868, 67828, 71110, 78585, 84785, 85332, 92443, 101742, 104780, 106665, 142220, 157170, 169570, 184886, 203484, 213330, 220441, 254355, 277329, 314340, 339140, 369772, 426660, 440882, 462215, 508710, 554658, 661323, 881764, 924430, 1017420, 1102205, 1109316, 1322646, 1386645, 1848860, 2204410, 2645292, 2773290, 2865733, 3306615, 4408820, 5546580, 5731466, 6613230, 8597199, 11462932, 13226460, 14328665, 17194398, 28657330, 34388796, 42985995, 57314660, 85971990, 171943980]

約数ペア:

[(1, 171943980), (2, 85971990), (3, 57314660), (4, 42985995), (5, 34388796), (6, 28657330), (10, 17194398), (12, 14328665), (13, 13226460), (15, 11462932), (20, 8597199), (26, 6613230), (30, 5731466), (31, 5546580), (39, 4408820), (52, 3306615), (60, 2865733), (62, 2773290), (65, 2645292), (78, 2204410), (93, 1848860), (124, 1386645), (130, 1322646), (155, 1109316), (156, 1102205), (169, 1017420), (186, 924430), (195, 881764), (260, 661323), (310, 554658), (338, 508710), (372, 462215), (390, 440882), (403, 426660), (465, 369772), (507, 339140), (547, 314340), (620, 277329), (676, 254355), (780, 220441), (806, 213330), (845, 203484), (930, 184886), (1014, 169570), (1094, 157170), (1209, 142220), (1612, 106665), (1641, 104780), (1690, 101742), (1860, 92443), (2015, 85332), (2028, 84785), (2188, 78585), (2418, 71110), (2535, 67828), (2735, 62868), (3282, 52390), (3380, 50871), (4030, 42666), (4836, 35555), (5070, 33914), (5239, 32820), (5470, 31434), (6045, 28444), (6564, 26195), (7111, 24180), (8060, 21333), (8205, 20956), (10140, 16957), (10478, 16410), (10940, 15717), (12090, 14222)]