72155600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 180

約数和(自身を含む): 204070272

約数和(自身を除く): 131914672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 31, 40, 44, 46, 50, 55, 62, 80, 88, 92, 100, 110, 115, 124, 155, 176, 184, 200, 220, 230, 248, 253, 275, 310, 341, 368, 400, 440, 460, 496, 506, 529, 550, 575, 620, 682, 713, 775, 880, 920, 1012, 1058, 1100, 1150, 1240, 1265, 1364, 1426, 1550, 1705, 1840, 2024, 2116, 2200, 2300, 2480, 2530, 2645, 2728, 2852, 3100, 3410, 3565, 4048, 4232, 4400, 4600, 5060, 5290, 5456, 5704, 5819, 6200, 6325, 6820, 7130, 7843, 8464, 8525, 9200, 10120, 10580, 11408, 11638, 12400, 12650, 13225, 13640, 14260, 15686, 16399, 17050, 17825, 20240, 21160, 23276, 25300, 26450, 27280, 28520, 29095, 31372, 32798, 34100, 35650, 39215, 42320, 46552, 50600, 52900, 57040, 58190, 62744, 65596, 68200, 71300, 78430, 81995, 93104, 101200, 105800, 116380, 125488, 131192, 136400, 142600, 145475, 156860, 163990, 180389, 196075, 211600, 232760, 262384, 285200, 290950, 313720, 327980, 360778, 392150, 409975, 465520, 581900, 627440, 655960, 721556, 784300, 819950, 901945, 1163800, 1311920, 1443112, 1568600, 1639900, 1803890, 2327600, 2886224, 3137200, 3279800, 3607780, 4509725, 6559600, 7215560, 9019450, 14431120, 18038900, 36077800, 72155600]

約数ペア:

[(1, 72155600), (2, 36077800), (4, 18038900), (5, 14431120), (8, 9019450), (10, 7215560), (11, 6559600), (16, 4509725), (20, 3607780), (22, 3279800), (23, 3137200), (25, 2886224), (31, 2327600), (40, 1803890), (44, 1639900), (46, 1568600), (50, 1443112), (55, 1311920), (62, 1163800), (80, 901945), (88, 819950), (92, 784300), (100, 721556), (110, 655960), (115, 627440), (124, 581900), (155, 465520), (176, 409975), (184, 392150), (200, 360778), (220, 327980), (230, 313720), (248, 290950), (253, 285200), (275, 262384), (310, 232760), (341, 211600), (368, 196075), (400, 180389), (440, 163990), (460, 156860), (496, 145475), (506, 142600), (529, 136400), (550, 131192), (575, 125488), (620, 116380), (682, 105800), (713, 101200), (775, 93104), (880, 81995), (920, 78430), (1012, 71300), (1058, 68200), (1100, 65596), (1150, 62744), (1240, 58190), (1265, 57040), (1364, 52900), (1426, 50600), (1550, 46552), (1705, 42320), (1840, 39215), (2024, 35650), (2116, 34100), (2200, 32798), (2300, 31372), (2480, 29095), (2530, 28520), (2645, 27280), (2728, 26450), (2852, 25300), (3100, 23276), (3410, 21160), (3565, 20240), (4048, 17825), (4232, 17050), (4400, 16399), (4600, 15686), (5060, 14260), (5290, 13640), (5456, 13225), (5704, 12650), (5819, 12400), (6200, 11638), (6325, 11408), (6820, 10580), (7130, 10120), (7843, 9200), (8464, 8525)]