128919750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 345945600

約数和(自身を除く): 217025850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 83, 95, 109, 114, 125, 150, 166, 190, 218, 249, 250, 285, 327, 375, 415, 475, 498, 545, 570, 654, 750, 830, 950, 1090, 1245, 1425, 1577, 1635, 2071, 2075, 2375, 2490, 2725, 2850, 3154, 3270, 4142, 4150, 4731, 4750, 5450, 6213, 6225, 7125, 7885, 8175, 9047, 9462, 10355, 10375, 12426, 12450, 13625, 14250, 15770, 16350, 18094, 20710, 20750, 23655, 27141, 27250, 31065, 31125, 39425, 40875, 45235, 47310, 51775, 54282, 62130, 62250, 78850, 81750, 90470, 103550, 118275, 135705, 155325, 171893, 197125, 226175, 236550, 258875, 271410, 310650, 343786, 394250, 452350, 515679, 517750, 591375, 678525, 776625, 859465, 1031358, 1130875, 1182750, 1357050, 1553250, 1718930, 2261750, 2578395, 3392625, 4297325, 5156790, 6785250, 8594650, 12891975, 21486625, 25783950, 42973250, 64459875, 128919750]

約数ペア:

[(1, 128919750), (2, 64459875), (3, 42973250), (5, 25783950), (6, 21486625), (10, 12891975), (15, 8594650), (19, 6785250), (25, 5156790), (30, 4297325), (38, 3392625), (50, 2578395), (57, 2261750), (75, 1718930), (83, 1553250), (95, 1357050), (109, 1182750), (114, 1130875), (125, 1031358), (150, 859465), (166, 776625), (190, 678525), (218, 591375), (249, 517750), (250, 515679), (285, 452350), (327, 394250), (375, 343786), (415, 310650), (475, 271410), (498, 258875), (545, 236550), (570, 226175), (654, 197125), (750, 171893), (830, 155325), (950, 135705), (1090, 118275), (1245, 103550), (1425, 90470), (1577, 81750), (1635, 78850), (2071, 62250), (2075, 62130), (2375, 54282), (2490, 51775), (2725, 47310), (2850, 45235), (3154, 40875), (3270, 39425), (4142, 31125), (4150, 31065), (4731, 27250), (4750, 27141), (5450, 23655), (6213, 20750), (6225, 20710), (7125, 18094), (7885, 16350), (8175, 15770), (9047, 14250), (9462, 13625), (10355, 12450), (10375, 12426)]