809830920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15443}}^1$

素因数の和:15499

約数の個数: 128

約数和(自身を含む): 2668723200

約数和(自身を除く): 1858892280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 5244, 6555, 8740, 10488, 13110, 15443, 17480, 26220, 30886, 46329, 52440, 61772, 77215, 92658, 123544, 154430, 185316, 231645, 293417, 308860, 355189, 370632, 463290, 586834, 617720, 710378, 880251, 926580, 1065567, 1173668, 1420756, 1467085, 1760502, 1775945, 1853160, 2131134, 2347336, 2841512, 2934170, 3521004, 3551890, 4262268, 4401255, 5327835, 5868340, 6748591, 7042008, 7103780, 8524536, 8802510, 10655670, 11736680, 13497182, 14207560, 17605020, 20245773, 21311340, 26994364, 33742955, 35210040, 40491546, 42622680, 53988728, 67485910, 80983092, 101228865, 134971820, 161966184, 202457730, 269943640, 404915460, 809830920]

約数ペア:

[(1, 809830920), (2, 404915460), (3, 269943640), (4, 202457730), (5, 161966184), (6, 134971820), (8, 101228865), (10, 80983092), (12, 67485910), (15, 53988728), (19, 42622680), (20, 40491546), (23, 35210040), (24, 33742955), (30, 26994364), (38, 21311340), (40, 20245773), (46, 17605020), (57, 14207560), (60, 13497182), (69, 11736680), (76, 10655670), (92, 8802510), (95, 8524536), (114, 7103780), (115, 7042008), (120, 6748591), (138, 5868340), (152, 5327835), (184, 4401255), (190, 4262268), (228, 3551890), (230, 3521004), (276, 2934170), (285, 2841512), (345, 2347336), (380, 2131134), (437, 1853160), (456, 1775945), (460, 1760502), (552, 1467085), (570, 1420756), (690, 1173668), (760, 1065567), (874, 926580), (920, 880251), (1140, 710378), (1311, 617720), (1380, 586834), (1748, 463290), (2185, 370632), (2280, 355189), (2622, 308860), (2760, 293417), (3496, 231645), (4370, 185316), (5244, 154430), (6555, 123544), (8740, 92658), (10488, 77215), (13110, 61772), (15443, 52440), (17480, 46329), (26220, 30886)]